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Subject: Luyen Thanh
Date: Mon, 14 Aug 2006 14:59:44 +0700
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mso-bidi-font-size: 10.0pt">=C3=82m=20
ch=C3=ADnh<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">(3)<O:P>=20
</O:P></TD>
<TD=20
style=3D"BORDER-RIGHT: windowtext 1.5pt solid; PADDING-RIGHT: 5.4pt; =

BORDER-TOP: windowtext 0.75pt solid; PADDING-LEFT: 5.4pt; =
PADDING-BOTTOM: 0in; BORDER-LEFT: medium none; WIDTH: 79.55pt; =
PADDING-TOP: 0in; BORDER-BOTTOM: windowtext 1.5pt solid; =
mso-border-left-alt: solid windowtext .75pt"=20
vAlign=3Dtop width=3D106>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">=C3=82m=20
cu=E1=BB=91i<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">(4)<O:P>=20
</O:P></TD></TR></TBODY></TABLE>
<B=20
style=3D"mso-bidi-font-weight: normal"><SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt"> <O:P>=20
</O:P>
<B=20
style=3D"mso-bidi-font-weight: normal"><SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
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style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
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style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
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l=C3=A0 t=E1=BB=B1 n=C3=B3 =
kh=C3=B4ng=20
ph=C3=A1t ra =C3=A2m thanh l=E1=BB=9Bn =C4=91=C6=B0=E1=BB=A3c, =
m=C3=A0 c=E1=BA=A7n k=C3=A8m theo m=E1=BB=99t nguy=C3=AAn =C3=A2m, =
th=C3=AC n=C3=B3 m=E1=BB=9Bi ph=C3=A1t=20
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=C4=91=E1=BB=8Dc c=C3=A1c ph=E1=BB=A5 =C3=A2m, l=C3=A0n h=C6=A1i =
ph=E1=BA=A3i v=C6=B0=E1=BB=A3t qua m=E1=BB=99t v=E1=BA=ADt c=E1=BA=A3n=20
n=C3=A0o =C4=91=C3=B3 do t=C3=A1c =C4=91=E1=BB=99ng c=E1=BB=A7a m=C3=B4i =
l=C6=B0=E1=BB=A1i ph=E1=BB=91i h=E1=BB=A3p, r=E1=BB=93i m=E1=BB=9Bi =
=C4=91i ra ngo=C3=A0i theo =C4=91=C6=B0=E1=BB=9Dng mi=E1=BB=87ng.=20
Mu=E1=BB=91n =C4=91=E1=BB=8Dc r=C3=B5 c=C3=A1c ph=E1=BB=A5 =C3=A2m =
th=C3=AC ph=E1=BA=A3i c=E1=BA=A5u =C3=A2m cho =C4=91=C3=BAng c=C3=A1ch, =
b=E1=BA=B1ng c=C3=A1ch t=E1=BA=A1o c=C3=A1c =C4=91i=E1=BB=83m =
c=E1=BA=A3n=20
l=C3=A0n h=C6=A1i b=E1=BA=B1ng m=C3=B4i hay l=C6=B0=E1=BB=A1i (h=C3=ACnh =
8, 9, 10).<O:P> </O:P>
<P class=3DMsoNormal=20
style=3D"MARGIN-TOP: 6pt; TEXT-INDENT: 28.35pt; TEXT-ALIGN: =

justify"><SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">b.=20
C=C3=A1c ph=E1=BB=A5 =C3=A2m =C4=91=E1=BA=A7u Vi=E1=BB=87t Nam =
g=E1=BB=93m : B, C, CH, D, =C4=90, G (GH), GI, H, (K), KH, L, M, N,=20
NH, NG (NGH), PH, Q (U), R, S, T, TH, TR, V, X.<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
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ph=E1=BA=ADn lo=E1=BA=A1i d=E1=BB=B1a theo c=C3=A1ch c=E1=BA=A5u =
=C3=A2m, ta s=E1=BA=BD c=C3=B3 5 lo=E1=BA=A1i ch=C3=ADnh :<O:P> =
</O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">*=20
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<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">-=20
m=C3=B4i + m=C3=B4i : m - b ; (p) : b=C3=ACnh minh<O:P> =
</O:P>
<SPAN=20

style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">-=20
m=C3=B4i + r=C4=83ng : v - ph (f) : vi ph=E1=BA=A1m<O:P> =
</O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">*=20
Ph=E1=BB=A5 =C3=A2m =C4=91=E1=BA=A7u l=C6=B0=E1=BB=A1i :<O:P> =
</O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">-=20
=C4=91=E1=BA=A7u l=C6=B0=E1=BB=A1i + r=C4=83ng tr=C3=AAn : t - th : tinh =
th=E1=BA=A7n<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">-=20
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xinh x=E1=BA=AFn<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">-=20

=C4=91=E1=BA=A7u l=C6=B0=E1=BB=A1i + ch=C3=A2n r=C4=83ng-v=C3=B2m =
c=E1=BB=A9ng: n - =C4=91 - l : n=C3=B3 =C4=91=E1=BA=B9p l=E1=BA=AFm<O:P> =
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<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">-=20
=C4=91=E1=BA=A7u l=C6=B0=E1=BB=A1i cong + v=C3=B2m c=E1=BB=A9ng : (l) - =
r - tr - s : r=E1=BB=99n r=C3=A0ng, trong s=C3=A1ng<O:P>=20
</O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">-=20
=C4=91=E1=BA=A7u l=C6=B0=E1=BB=A1i rung + v=C3=B2m c=E1=BB=A9ng : r (r =
rung h=C6=A1i kh=C3=A1c v=E1=BB=9Bi r m=E1=BB=81m =E1=BB=9F h=C3=A0ng =
tr=C3=AAn) : run r=E1=BA=A9y,=20
rung rinh<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">-=20
=C4=91=E1=BA=A7u l=C6=B0=E1=BB=A1i b=E1=BA=B9t + v=C3=B2m c=E1=BB=A9ng : =
d - gi : d=C3=B2ng gi=E1=BB=91ng<O:P> </O:P>
<SPAN=20

style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">*=20
Ph=E1=BB=A5 =C3=A2m m=E1=BA=B7t l=C6=B0=E1=BB=A1i :<O:P> =
</O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">-m=E1=BA=B7t=20
l=C6=B0=E1=BB=A1i + v=C3=B2m mi=E1=BB=87ng : ch - nh : chi =
nh=C3=A1nh<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">*=20
Ph=E1=BB=A5 =C3=A2m cu=E1=BB=91ng l=C6=B0=E1=BB=A1i :<O:P> =
</O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">-=20
cu=E1=BB=91ng l=C6=B0=E1=BB=A1i ngo=C3=A0i + v=C3=B2m m=E1=BB=81m : kh - =
g (gh) : khi=C3=AAng g=C3=A1nh<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">-=20

cu=E1=BB=91ng l=C6=B0=E1=BB=A1i trong + v=C3=B2m m=E1=BB=81m : ng (ngh) =
- c (k,q) : ng=C3=B4ng cu=E1=BB=93ng, nguy k=E1=BB=8Bch=20
qu=C3=A1<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: Symbol; mso-bidi-font-size: =
10.0pt">=C2=B7<SPAN=20
style=3D"FONT: 7pt 'Times New =
Roman'">       =20
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style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">Ph=E1=BB=A5=20
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style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">=20
:- cu=E1=BB=91ng l=C6=B0=E1=BB=A1i th=E1=BB=A5t v=E1=BB=81 ph=C3=ADa sau =
=C4=91=E1=BB=83 thu h=E1=BA=B9p thanh h=E1=BA=A7u :<B=20
style=3D"mso-bidi-font-weight: normal"> h : h=E1=BA=A7u =
h=E1=BA=A1.<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt"><! [if gte vml 1]><V:SHAPETYPE=20
id=3D_x0000_t75 stroked=3D"f" filled=3D"f" =
path=3D"m@4@5l@4@11@9@11@9@5xe"=20
o:preferrelative=3D"t" o:spt=3D"75" coordsize=3D"21600,21600"><V:STROKE=20
joinstyle=3D"miter" /><V:FORMULAS><V:F eqn=3D"if lineDrawn =
pixelLineWidth 0" /><V:F=20

eqn=3D"sum @0 1 0" /><V:F eqn=3D"sum 0 0 @1" /><V:F eqn=3D"prod @2 1 2" =
/><V:F=20
eqn=3D"prod @3 21600 pixelWidth" /><V:F eqn=3D"prod @3 21600 =
pixelHeight" /><V:F=20
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21600 pixelWidth"=20
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v:ext=3D"edit"=20
/></V:SHAPETYPE><V:SHAPE id=3D_x0000_i1025=20
style=3D"WIDTH: 474.75pt; HEIGHT: 273.75pt" =
type=3D"#_x0000_t75"><V:IMAGEDATA=20
o:title=3D"hinh 8" uyen_20.gif" /></V:SHAPE><![endif] ><IMG =
height=3D365=20
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v:shapes=3D"_x0000_i1025"><O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt"><! [if gte vml 1]><V:SHAPE=20
id=3D_x0000_i1026 style=3D"WIDTH: 481.5pt; HEIGHT: 348pt"=20
type=3D"#_x0000_t75"><V:IMAGEDATA o:title=3D"hinh 9" =
src=3D"luyen_21.gif" /></V:SHAPE><![endif] ><IMG height=3D464=20
src=3D" width=3D642=20
v:shapes=3D"_x0000_i1026"><O:P> </O:P>
<P class=3DMsoNormal=20
style=3D"MARGIN-TOP: 6pt; TEXT-INDENT: 14.2pt; TEXT-ALIGN: =

justify"><SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt"> <O:P>=20
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<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt"> <O:P>=20
</O:P>
<I=20
style=3D"mso-bidi-font-style: normal"><SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">L=C6=B0u=20
=C3=BD :<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt"><O:P>=20
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<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">-=20
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style=3D"mso-bidi-font-style: normal">l c=C3=B3 th=E1=BB=83 =
c=E1=BA=A5u =C3=A2m =E1=BB=9F c=E1=BA=A3 2 v=E1=BB=8B tr=C3=AD. =
=C4=90=E1=BB=91i=20
v=E1=BB=9Bi ng=C6=B0=E1=BB=9Di th=C6=B0=E1=BB=9Dng =C4=91=E1=BB=8Dc =
l=E1=BB=99n l ra n, v=C3=A0 n ra l th=C3=AC n=C3=AAn d=C3=B9ng<I=20

style=3D"mso-bidi-font-style: normal"> l cong l=C6=B0=E1=BB=A1i =
=C4=91=E1=BB=83 t=E1=BA=ADp luy=E1=BB=87n. Kh=C3=B4ng n=C3=AAn=20
cong l=C6=B0=E1=BB=A1i qu=C3=A1, s=E1=BA=BD kh=C3=B4ng t=E1=BB=B1 =
nhi=C3=AAn.<O:P> </O:P>
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style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">-=20
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g=E1=BA=A7n gi=E1=BB=91ng nh=C6=B0 ch=E1=BB=AF j trong ti=E1=BA=BFng =
Ph=C3=A1p. C=C3=B2n r rung th=C6=B0=E1=BB=9Dng=20
g=E1=BA=B7p =E1=BB=9F mi=E1=BB=81n Trung, ch=E1=BB=89 n=C3=AAn d=C3=B9ng =
=C4=91=E1=BB=83 =C4=91=E1=BB=8Dc c=C3=A1c ch=E1=BB=AF di=E1=BB=85n =
t=E1=BA=A3 s=E1=BB=B1 rung =C4=91=E1=BB=99ng nh=C6=B0 : rung=20
rinh, run r=E1=BA=A9y, run run v=C3=A0 =C4=91=E1=BB=83 =
=C4=91=E1=BB=8Dc c=C3=A1c ch=E1=BB=AF r c=E1=BB=A7a ti=E1=BA=BFng =
La-tinh nh=C6=B0 Ma-ri-a,=20
Ro-sa <O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">c.=20
C=C3=B3 m=E1=BB=99t s=E1=BB=91 =C3=A2m ti=E1=BA=BFt kh=C3=B4ng c=C3=B3 =
ph=E1=BB=A5 =C3=A2m =C4=91=E1=BA=A7u nh=C6=B0 =C4=83n, u=E1=BB=91ng, an =
=E1=BB=A7i c=C3=B2n =C4=91a s=E1=BB=91 c=C3=A1c =C3=A2m=20
ti=E1=BA=BFt =C4=91=E1=BB=81u c=C3=B3 ph=E1=BB=A5 =C3=A2m =
=C4=91=E1=BA=A7u. Mu=E1=BB=91n cho r=C3=B5 ti=E1=BA=BFng, c=E1=BA=A7n =
t=E1=BA=ADp : =E2=80=9Cb=E1=BA=ADt m=C3=B4i, =C4=91=C3=A1nh =

l=C6=B0=E1=BB=A1i=E2=80=9D cho=20
=C4=91=C3=BAng c=C3=A1ch. Vai tr=C3=B2 c=E1=BB=A7a l=C6=B0=E1=BB=A1i =
quan tr=E1=BB=8Dng n=C3=AAn ng=C6=B0=E1=BB=9Di ta khuy=C3=AAn n=C3=AAn =
=E2=80=9C=C4=91=C3=A1nh l=C6=B0=E1=BB=A1i b=E1=BA=A3y=20
l=E1=BA=A7n tr=C6=B0=E1=BB=9Bc khi n=C3=B3i=E2=80=9D l=C3=A0 =
v=E1=BA=ADy.<O:P> </O:P>
<B=20
style=3D"mso-bidi-font-weight: normal"><SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">4.<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">=20
V=E1=BA=A7n l=E1=BA=A1i =
g=E1=BB=93m 3 y=E1=BA=BFu t=E1=BB=91 kh=C3=A1c : <B=20
style=3D"mso-bidi-font-weight: normal">=C3=A2m=20
=C4=91=E1=BB=87m + =C3=A2m ch=C3=ADnh + =C3=A2m cu=E1=BB=91i<O:P> =
</O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">a.=20
=C3=82m =C4=91=E1=BB=87m :<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">=C4=90=C6=B0=E1=BB=A3c=20

ghi b=E1=BA=B1ng b=C3=A1n =
=C3=A2m u ho=E1=BA=B7c o. =C4=90=C3=A2y l=C3=A0 =C3=A2m=20
l=C3=A0m tr=C3=B2n m=C3=B4i tr=C6=B0=E1=BB=9Bc khi =C4=91=E1=BB=8Dc =
=C3=A2m ch=C3=ADnh, l=C3=A0m cho =C3=A2m ti=E1=BA=BFt c=C3=B3 =C3=A2m =
s=E1=BA=AFc tr=E1=BA=A7m t=E1=BB=91i (g=E1=BB=8Di l=C3=A0=20
b=C3=A1n =C3=A2m, v=C3=AC m=E1=BA=B7t ch=E1=BB=AF th=C3=AC gi=E1=BB=91ng =
nh=C6=B0 nguy=C3=AAn =C3=A2m, nh=C6=B0ng c=C3=B4ng d=E1=BB=A5ng =
l=E1=BA=A1i kh=C3=B4ng gi=E1=BB=91ng nh=C6=B0=20
nguy=C3=AAn =C3=A2m).<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">-=20
Ch=C3=ADnh t=E1=BA=A3 ghi b=E1=BA=B1ng u tr=C6=B0=E1=BB=9Bc c=C3=A1c =
nguy=C3=AAn =C3=A2m v=E1=BB=ABa ho=E1=BA=B7c h=E1=BA=B9p (u=C3=AA, =
u=C6=A1, uya).<O:P>=20
</O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">-=20
Ch=C3=ADnh t=E1=BA=A3 ghi b=E1=BA=B1ng o tr=C6=B0=E1=BB=9Bc c=C3=A1c =
nguy=C3=AAn =C3=A2m r=E1=BB=99ng (oa, oe) tr=E1=BB=AB khi =
tr=C6=B0=E1=BB=9Bc n=C3=B3 l=C3=A0 ph=E1=BB=A5 =C3=A2m=20
q th=C3=AC l=E1=BA=A1i ghi b=E1=BA=B1ng u (qua, que =3D koa, koe).<O:P> =
</O:P>
<P class=3DMsoNormal=20
style=3D"MARGIN-TOP: 6pt; TEXT-INDENT: 42.55pt; TEXT-ALIGN: =

justify"><SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">-=20
V=C3=AC =C3=A2m =C4=91=E1=BB=87m l=C3=A0 =C3=A2m tr=C3=B2n m=C3=B4i, =
n=C3=AAn n=C3=B3 kh=C3=B4ng =C4=91i tr=C6=B0=E1=BB=9Bc c=C3=A1c =
nguy=C3=AAn =C3=A2m tr=C3=B2n m=C3=B4i o, =C3=B4, u=20
n=E1=BB=AFa.<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">-=20
Khi ph=C3=A1t =C3=A2m, kh=C3=B4ng =C4=91=C6=B0=E1=BB=A3c d=E1=BB=ABng l=C3=A2u =
=E1=BB=9F =C3=A2m=20
=C4=91=E1=BB=87m, m=C3=A0 ph=E1=BA=A3i chuy=E1=BB=83n qua =C3=A2m =
ch=C3=ADnh ngay.<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">b.=20
=C3=82m ch=C3=ADnh<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">=20
: V=E1=BB=8B tr=C3=AD =C3=A2m ch=C3=ADnh do c=C3=A1c nguy=C3=AAn =C3=A2m =
=C4=91=E1=BA=A3m=20
nhi=E1=BB=87m<O:P> </O:P>
<P class=3DMsoNormal=20

style=3D"MARGIN-TOP: 6pt; TEXT-INDENT: 42.55pt; TEXT-ALIGN: =
justify"><SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">-=20
Nguy=C3=AAn =C3=A2m : l=C3=A0 nh=E1=BB=AFng =C3=A2m t=E1=BB=B1 =
n=C3=B3 ph=C3=A1t ra =C3=A2m thanh m=C3=A0 kh=C3=B4ng c=E1=BA=A7n =
nh=E1=BB=9D t=E1=BB=9Bi m=E1=BB=99t=20
=C3=A2m n=C3=A0o kh=C3=A1c : l=C3=A0n h=C6=A1i t=E1=BB=AB ph=E1=BB=95i =
ra qua thanh =C4=91=E1=BB=9Bi m=E1=BB=9F-=C4=91=C3=B3ng t=E1=BA=A1o cao =
=C4=91=E1=BB=99 c=E1=BB=A7a =C3=A2m thanh,=20
c=C3=B2n h=C3=ACnh =
th=E1=BB=83 c=C3=A1c khoang h=E1=BB=8Dng v=C3=A0=20
khoang mi=E1=BB=87ng kh=C3=A1c nhau, do ho=E1=BA=A1t =C4=91=E1=BB=99ng =
c=E1=BB=A7a l=C6=B0=E1=BB=A1i v=C3=A0 h=C3=A0m d=C6=B0=E1=BB=9Bi, =
s=E1=BA=BD t=E1=BA=A1o ra c=C3=A1c nguy=C3=AAn=20
=C3=A2m kh=C3=A1c nhau (h=C3=ACnh 11).<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">-=20
Ph=C3=A2n lo=E1=BA=A1i : c=C3=B3 hai lo=E1=BA=A1i nguy=C3=AAn =
=C3=A2m ch=C3=ADnh l=C3=A0 <B=20
style=3D"mso-bidi-font-weight: normal"><I=20
style=3D"mso-bidi-font-style: normal">nguy=C3=AAn =C3=A2m =
=C4=91=C6=A1n (a, =C4=83, =C3=A2, o, =C3=B4, =C6=A1, u,=20
=C6=B0, e, =C3=AA, i/y) v=C3=A0<I=20
style=3D"mso-bidi-font-style: normal"> nguy=C3=AAn =C3=A2m =
ph=E1=BB=A9c (ia (i=C3=AA), =C6=B0a (=C6=B0=C6=A1),=20

ua (u=C3=B4)).<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">*=20
D=E1=BB=B1a tr=C3=AAn v=E1=BB=8B tr=C3=AD c=E1=BB=A7a l=C6=B0=E1=BB=A1i, =
ng=C6=B0=E1=BB=9Di ta c=C3=B2n ph=C3=A2n ra :<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">+=20
Nguy=C3=AAn =C3=A2m h=C3=A0ng =
tr=C6=B0=E1=BB=9Bc (l=C6=B0=E1=BB=A1i =C4=91=C6=B0a ra=20
tr=C6=B0=E1=BB=9Bc, =C3=A2m s=E1=BA=AFc s=C3=A1ng, b=E1=BB=95ng, =
m=C3=B4i b=E1=BA=B9t) : e, =C3=AA, i/y, i=C3=AA (ia).<O:P> =
</O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">+=20
Nguy=C3=AAn =C3=A2m h=C3=A0ng =
gi=E1=BB=AFa (l=C6=B0=E1=BB=A1i n=E1=BA=B1m =E1=BB=9F gi=E1=BB=AFa,=20
=C3=A2m s=E1=BA=AFc trung ho=C3=A0, m=C3=B4i kh=C3=B4ng b=E1=BA=B9t, =
kh=C3=B4ng tr=C3=B2n) : a (=C4=83), =C6=A1 (=C3=A2), =C6=B0, =
=C6=B0=C6=A1 (ua).<A=20
title=3D"" style=3D"mso-footnote-id: ftn1"=20
href=3D" />name=3D_ftnref1><SPAN class=3DMsoFootnoteReference=20

style=3D"mso-special-character: footnote">[1]</A><O:P> =
</O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">+=20
Nguy=C3=AAn =C3=A2m h=C3=A0ng =
sau (l=C6=B0=E1=BB=A1i r=E1=BB=A5t v=E1=BB=81 sau,=20
=C3=A2m s=E1=BA=AFc t=E1=BB=91i, tr=E1=BA=A7m, m=C3=B4i tr=C3=B2n) : o, =
=C3=B4, u, u=C3=B4 (ua).<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt"> <O:P>=20
</O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">*=20
D=E1=BB=B1a tr=C3=AAn =C4=91=E1=BB=99 m=E1=BB=9F c=E1=BB=A7a =
mi=E1=BB=87ng, ta c=C3=B3 4 lo=E1=BA=A1i :<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">+=20
Nguy=C3=AAn =C3=A2m =

r=E1=BB=99ng : e, a, o (=C3=A2m l=C6=B0=E1=BB=A3ng=20
l=E1=BB=9Bn)<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">+=20
Nguy=C3=AAn =C3=A2m =
v=E1=BB=ABa : =C3=AA, =C6=A1, =C3=B4 (=C3=A2m l=C6=B0=E1=BB=A3ng=20
v=E1=BB=ABa)<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">+=20
Nguy=C3=AAn =C3=A2m =
h=E1=BA=B9p : i, =C6=B0, u (=C3=A2m l=C6=B0=E1=BB=A3ng=20
nh=E1=BB=8F)<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">+=20
Nguy=C3=AAn =C3=A2m h=E1=BA=B9p =
m=E1=BB=9F qua v=E1=BB=ABa : i=C3=AA, =C6=B0=C6=A1, u=C3=B4=20
(=C3=A2m l=C6=B0=E1=BB=A3ng nh=E1=BB=8F v=C3=A0 l=E1=BB=9Bn d=E1=BA=A7n =
=C4=91=E1=BA=BFn v=E1=BB=ABa)<O:P> </O:P>
<I=20
style=3D"mso-bidi-font-style: normal"><SPAN=20

style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">Ghi=20
ch=C3=BA<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">=20
:<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">-=20
=C4=83 l=C3=A0 =C3=A2m ng=E1=BA=AFn c=E1=BB=A7a a<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">-=20
=C3=A2 l=C3=A0 =C3=A2m ng=E1=BA=AFn c=E1=BB=A7a =C6=A1<O:P> =
</O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">-=20
o v=C3=A0 =C3=B4 =C4=91=C3=B4i l=C3=BAc c=C3=B3 d=E1=BA=A1ng =C3=A2m =
d=C3=A0i l=C3=A0 : oo, =C3=B4=C3=B4 (xoong, b=C3=B4=C3=B4ng)<SPAN=20
style=3D"mso-spacerun: yes">  ia, ua, =C6=B0a l=C3=A0 =
=C3=A2m ph=E1=BB=A9c kh=C3=B4ng c=C3=B3 =C3=A2m cu=E1=BB=91i=20
(Td: chia, chua, ch=C6=B0a )<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =

mso-bidi-font-size: 10.0pt">Ta=20
c=C3=B3 b=E1=BA=A3ng t=C3=B3m k=E1=BA=BFt c=C3=A1c nguy=C3=AAn =C3=A2m =
nh=C6=B0 sau :<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt"><SPAN=20
style=3D"mso-spacerun: yes"> <IMG height=3D264=20
/tailieu/luyenthanh/nguyenam.gif" width=3D670=20
border=3D0><O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt"><O:P></O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">-=20
=C3=82m ch=C3=ADnh c=C3=B9ng =
v=E1=BB=9Bi thanh =C4=91i=E1=BB=87u l=C3=A0 hai=20
y=E1=BA=BFu t=E1=BB=91 t=E1=BB=91i thi=E1=BB=83u ph=E1=BA=A3i lu=C3=B4n =
lu=C3=B4n c=C3=B3 m=E1=BA=B7t trong =C3=A2m ti=E1=BA=BFt, n=E1=BA=BFu =
kh=C3=B4ng s=E1=BA=BD kh=C3=B4ng c=C3=B3 =C3=A2m=20
ti=E1=BA=BFt : =E1=BA=A3, =E1=BB=95, =E1=BB=91 <O:P> =
</O:P>
<SPAN=20

style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">c.=20
=C3=82m cu=E1=BB=91i<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">=20
:<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">V=E1=BB=8B=20
tr=C3=AD =C3=A2m cu=E1=BB=91i do c=C3=A1c b=C3=A1n =C3=A2m cu=E1=BB=91i =
v=C3=A0 <I=20
style=3D"mso-bidi-font-style: normal">ph=E1=BB=A5 =C3=A2m =
cu=E1=BB=91i =C4=91=E1=BA=A3m nh=E1=BA=ADn.<O:P>=20
</O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">*=20
B=C3=A1n =C3=A2m =
cu=E1=BB=91i c=C3=B3 2 lo=E1=BA=A1i :<O:P>=20
</O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">=E2=80=93=20

B=C3=A1n =C3=A2m cu=E1=BB=91i =
b=E1=BA=B9t mi=E1=BB=87ng (l=C6=B0=E1=BB=A1i =C4=91=C6=B0a ra=20
tr=C6=B0=E1=BB=9Bc) =C4=91=C6=B0=E1=BB=A3c ghi b=E1=BA=B1ng i =
ho=E1=BA=B7c y :<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">+=20
=C4=90=C6=B0=E1=BB=A3c ghi b=E1=BA=B1ng y sau c=C3=A1c nguy=C3=AAn =
=C3=A2m ng=E1=BA=AFn =C4=83, =C3=A2 : =C4=83y, =C3=A2u (h=C3=A3y =
l=E1=BA=A5y : =C4=91=C3=A1ng l=E1=BA=BD ra ch=C3=ADnh=20
t=E1=BA=A3 ph=E1=BA=A3i ghi =E2=80=9Ch=E1=BA=B5y=E2=80=9D m=E1=BB=9Bi =
=C4=91=C3=BAng ng=E1=BB=AF =C3=A2m).<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">+=20
=C4=90=C6=B0=E1=BB=A3c ghi b=E1=BA=B1ng i sau t=E1=BA=A5t c=E1=BA=A3 =
c=C3=A1c nguy=C3=AAn =C3=A2m c=C3=B2n l=E1=BA=A1i m=C3=A0 kh=C3=B4ng =
b=E1=BA=B9t mi=E1=BB=87ng (t=E1=BB=A9c l=C3=A0 b=C3=A1n=20
=C3=A2m i kh=C3=B4ng =C4=91i sau c=C3=A1c nguy=C3=AAn =C3=A2m h=C3=A0ng =
tr=C6=B0=E1=BB=9Bc, b=E1=BA=B9t mi=E1=BB=87=C3=A2ng) : ai =C6=A1i, =
=C6=B0i, =C6=B0=C6=A1i (ai #=20
=C4=83y) oi, =C3=B4i, ui, u=C3=B4i.<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =

mso-bidi-font-size: 10.0pt">=E2=80=93=20
B=C3=A1n =C3=A2m cu=E1=BB=91i =
tr=C3=B2n m=C3=B4i (l=C6=B0=E1=BB=A1i r=E1=BB=A5t v=C3=A0o=20
trong) =C4=91=C6=B0=E1=BB=A3c ghi b=E1=BA=B1ng u ho=E1=BA=B7c o :<O:P> =
</O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">+=20
Kh=C3=B4ng =C4=91i sau c=C3=A1c nguy=C3=AAn =C3=A2m h=C3=A0ng sau =
(tr=C3=B2n m=C3=B4i)<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">+=20
=C4=90=C6=B0=E1=BB=A3c ghi b=E1=BA=B1ng u sau c=C3=A1c =C3=A2m ng=E1=BA=AFn : =C3=A2u,=20
=C4=83u (tr=C3=A2u, t=C3=A0u : =C4=91=C3=A1ng l=E1=BA=BD ch=C3=ADnh =
t=E1=BA=A3 ph=E1=BA=A3i ghi =E2=80=9Ct=E1=BA=B1u=E2=80=9D m=E1=BB=9Bi =
=C4=91=C3=BAng ng=E1=BB=AF =C3=A2m)<O:P>=20
</O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">+=20
=C4=90=C6=B0=E1=BB=A3c ghi b=E1=BA=B1ng u sau c=C3=A1c =C3=A2m v=E1=BB=ABa v=C3=A0 =C3=A2m=20
h=E1=BA=B9p : du, =C6=B0u, =C6=B0=C6=A1u, =C3=AAu, iu, i=C3=AAu =

(y=C3=AAu)<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">+=20
=C4=90=C6=B0=E1=BB=A3c ghi b=E1=BA=B1ng o sau c=C3=A1c =C3=A2m r=E1=BB=99ng a, e=20
=3D ao, eo (ao # =C4=83u)<O:P> </O:P>
<I=20
style=3D"mso-bidi-font-style: normal"><SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">L=C6=B0u=20
=C3=BD<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">=20
: khi g=E1=BA=B7p ay th=C3=AC ph=E1=BA=A3i ph=C3=A2n t=C3=ADch l=C3=A0 =
=C4=83y, khi g=E1=BA=B7p au th=C3=AC ph=E1=BA=A3i ph=C3=A2n t=C3=ADch =
l=C3=A0 =C4=83u<O:P>=20
</O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt"> <O:P>=20
</O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">*=20

Ph=E1=BB=A5 =C3=A2m =
cu=E1=BB=91i g=E1=BB=93m 8 =C3=A2m chia l=C3=A0m 4 c=E1=BA=B7p nh=C6=B0=20
sau :<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">=E2=80=93=20
Ph=E1=BB=A5 =C3=A2m =
m=C3=B4i : m - p (=C4=91=C3=B3ng ti=E1=BA=BFng b=E1=BA=B1ng 2=20
m=C3=B4i) : l=C3=A0m =C4=91=E1=BA=B9p, r=E1=BA=ADp r=E1=BA=A1p <O:P> =
</O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">=E2=80=93=20
Ph=E1=BB=A5 =C3=A2m =
=C4=91=E1=BA=A7u l=C6=B0=E1=BB=A1i : n - t (=C4=91=C3=B3ng =
l=C6=B0=E1=BB=A1i=20
l=C3=AAn ch=C3=A2n r=C4=83ng) : ban h=C3=A1t, s=E1=BB=81n s=E1=BB=87t =
<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">=E2=80=93=20
Ph=E1=BB=A5 =C3=A2m m=E1=BA=B7t =
l=C6=B0=E1=BB=A1i : nh - ch (=C4=91=C3=B3ng m=E1=BA=B7t=20
l=C6=B0=E1=BB=A1i l=C3=AAn v=C3=B2m mi=E1=BB=87ng) : ch=C3=AAnh =

ch=E1=BA=BFch, r=C3=A1ch, r=C3=ACnh <O:P></O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">L=C6=B0u=20
=C3=BD<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">=20
: nh - ch ch=E1=BB=89 =C4=91i sau c=C3=A1c nguy=C3=AAn =C3=A2m h=C3=A0ng =
tr=C6=B0=E1=BB=9Bc e - =C3=AA - i : enh ech, =C3=AAnh =C3=AAch, inh=20
ich. Do =C4=91=C3=B3, khi ch=C3=ADnh t=E1=BA=A3 ghi anh, ach, ta =
ph=E1=BA=A3i ph=C3=A2n t=C3=ADch l=C3=A0 enh ech m=E1=BB=9Bi=20
=C4=91=C3=BAng.<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">=E2=80=93=20
Ph=E1=BB=A5 =C3=A2m =
cu=E1=BB=91ng l=C6=B0=E1=BB=A1i : ng - c (=C4=91=C3=B3ng=20
cu=E1=BB=91ng l=C6=B0=E1=BB=A1i l=C3=AAn v=C3=B2m m=E1=BB=81m) : vang, =
d=E1=BB=91c, v=E1=BA=B1ng v=E1=BA=B7c <O:P> </O:P>
<I=20
style=3D"mso-bidi-font-style: normal"><SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">L=C6=B0u=20
=C3=BD<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =

mso-bidi-font-size: 10.0pt">=20
: khi ng - c =C4=91i sau c=C3=A1c nguy=C3=AAn =C3=A2m h=C3=A0ng sau o - =
=C3=B4 - u, th=C3=AC kh=C3=B4ng ph=E1=BA=A3i ch=E1=BB=89 =C4=91=C3=B3ng=20
cu=E1=BB=91ng l=C6=B0=E1=BB=A1i, m=C3=A0 c=C3=B2n ph=E1=BA=A3i =
=C4=91=C3=B3ng ngay c=E1=BA=A3 2 m=C3=B4i n=E1=BB=AFa (ta ph=E1=BA=A3i =
<I=20
style=3D"mso-bidi-font-style: normal">=E1=BB=99c ti=E1=BA=BFng =
l=C3=A0m cho 2 m=C3=A1 h=C6=A1i ph=E1=BB=93ng l=C3=AAn =C4=91=E1=BB=83=20
t=E1=BA=A1o kho=E1=BA=A3ng vang trong mi=E1=BB=87ng).<I=20
style=3D"mso-bidi-font-style: normal"><O:P> </O:P>
<B=20
style=3D"mso-bidi-font-weight: normal"><I=20
style=3D"mso-bidi-font-style: normal"><SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">Ghi=20
ch=C3=BA<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">=20
:<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">-=20
C=C3=A1c ph=E1=BB=A5 =C3=A2m cu=E1=BB=91i p, t, ch, c ch=E1=BB=89 =
=C4=91i v=E1=BB=9Bi thanh =C4=91i=E1=BB=87u s=E1=BA=AFc ho=E1=BA=B7c =
n=E1=BA=B7ng, l=C3=A0m cho v=E1=BA=A7n=20
ph=E1=BA=A3i =C4=91=E1=BB=8Dc d=E1=BB=A9t s=E1=BB=9Bm h=C6=A1n c=C3=A1c =

v=E1=BA=A7n =C4=91=C3=B3ng c=C3=B9ng lo=E1=BA=A1i, c=E1=BB=95 thi =
g=E1=BB=8Di c=C3=A1c v=E1=BA=A7n =C4=91=C3=B3 l=C3=A0 v=E1=BA=A7n =
ch=E1=BA=BFt=20
(t=E1=BB=AD v=E1=BA=ADn).<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">-=20
Khi v=E1=BA=A7n c=C3=B3 c=C3=A1c =C3=A2m cu=E1=BB=91i, th=C3=AC =C3=A2m =
ch=C3=ADnh =C3=ADt nhi=E1=BB=81u b=E1=BB=8B =E1=BA=A3nh =
h=C6=B0=E1=BB=9Fng - n=C3=B3 l=C3=A0m cho =C4=91=E1=BB=99 m=E1=BB=9F=20
c=E1=BB=A7a mi=E1=BB=87ng gi=E1=BA=A3m b=E1=BB=9Bt, ng=E1=BA=AFn =
l=E1=BA=A1i.<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">-=20
C=C3=A1c v=E1=BA=A7n c=C3=B3 =C3=A2m cu=E1=BB=91i g=E1=BB=8Di l=C3=A0 =
V=E1=BA=A6N =C4=90=C3=93NG, c=C3=A1c v=E1=BA=A7n kh=C3=B4ng c=C3=B3 =
=C3=A2m cu=E1=BB=91i g=E1=BB=8Di l=C3=A0 V=E1=BA=A6N M=E1=BB=9E.<O:P>=20
</O:P>
<B=20
style=3D"mso-bidi-font-weight: normal"><SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt"> <O:P>=20
</O:P>
<P class=3DMsoNormal=20

style=3D"MARGIN-TOP: 6pt; TEXT-INDENT: 14.2pt; TEXT-ALIGN: justify"><B=20
style=3D"mso-bidi-font-weight: normal"><SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">5.=20
Thanh =C4=91i=E1=BB=87u<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">=20
:<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt"> <O:P>=20
</O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">G=E1=BB=93m=20
c=C3=B3 s=C3=A1u thanh : (1) ngang, (2) huy=E1=BB=81n, (3) ng=C3=A3, (4) =
h=E1=BB=8Fi, (5) s=E1=BA=AFc, (6) n=E1=BA=B7ng ; =C4=91=C6=B0=E1=BB=A3c=20
k=C3=BD hi=E1=BB=87u phi=C3=AAn =C3=A2m b=E1=BA=B1ng s=E1=BB=91 1 - 6 =
theo th=E1=BB=A9 t=E1=BB=B1 tr=C3=AAn.<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">a.=20
Thanh =C4=91i=E1=BB=87u l=C3=A0 y=E1=BA=BFu t=E1=BB=91 thay =C4=91=E1=BB=95i cao =

=C4=91=E1=BB=99 c=E1=BB=A7a=20
=C3=A2m ti=E1=BA=BFt. N=C3=B3 =E1=BA=A3nh h=C6=B0=E1=BB=9Fng =
l=C3=AAn to=C3=A0n b=E1=BB=99 =C3=A2m ti=E1=BA=BFt, nh=C6=B0ng khi =
vi=E1=BA=BFt n=C3=B3 =C4=91=C6=B0=E1=BB=A3c ghi tr=C3=AAn=20
ho=E1=BA=B7c d=C6=B0=E1=BB=9Bi =C3=A2m ch=C3=ADnh l=C3=A0 nguy=C3=AAn =
=C3=A2m =C4=91=C6=A1n. G=E1=BA=B7p nguy=C3=AAn =C3=A2m ph=E1=BB=A9c =
kh=C3=B4ng k=C3=A8m theo =C3=A2m cu=E1=BB=91i=20
th=C3=AC n=C3=B3 =C4=91=C6=B0=E1=BB=A3c ghi tr=C3=AAn y=E1=BA=BFu =
t=E1=BB=91 =C4=91=E1=BA=A7u c=E1=BB=A7a =C3=A2m ph=E1=BB=A9c (th=C3=AD =
d=E1=BB=A5 : Ch=C3=BAa, ch=C3=ACa, ch=E1=BB=ABa). N=E1=BA=BFu=20
nguy=C3=AAn =C3=A2m ph=E1=BB=A9c c=C3=B3 k=C3=A8m theo ph=E1=BB=A5 =
=C3=A2m cu=E1=BB=91i th=C3=AC th=C6=B0=E1=BB=9Dng ghi thanh =
=C4=91i=E1=BB=87u tr=C3=AAn y=E1=BA=BFu t=E1=BB=91 th=E1=BB=A9=20
2 c=E1=BB=A7a =C3=A2m ph=E1=BB=A9c =C4=91=C3=B3.<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">Th=C3=AD=20
d=E1=BB=A5 : v=C6=B0=E1=BB=9Bng, ti=E1=BA=BFng, chu=E1=BB=93ng.<O:P> =
</O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">b.=20
Ph=C3=A2n lo=E1=BA=A1i d=E1=BB=B1a t=C3=AAn =C3=A2m v=E1=BB=B1c : <I=20
style=3D"mso-bidi-font-style: normal">c=C3=B3 2 lo=E1=BA=A1i cao v=C3=A0 =
th=E1=BA=A5p<O:P>=20

</O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">-=20
=C3=82m v=E1=BB=B1c cao : thanh ngang, thanh ng=C3=A3, thanh =
s=E1=BA=AFc<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">-=20
=C3=82m v=E1=BB=B1c th=E1=BA=A5p : thanh huy=E1=BB=81n, thanh =
h=E1=BB=8Fi, thanh n=E1=BA=B7ng<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">c.=20
Ph=C3=A2n lo=E1=BA=A1i d=E1=BB=B1a tr=C3=AAn =C3=A2m =C4=91i=E1=BB=87u : c=C3=B3 2 lo=E1=BA=A1i =
b=E1=BA=B1ng v=C3=A0 tr=E1=BA=AFc<O:P>=20
</O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">-=20

=C3=82m =C4=91i=E1=BB=87u b=E1=BA=B1ng : thang ngang, thanh =
huy=E1=BB=81n<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">-=20
=C3=82m =C4=91i=E1=BB=87u tr=E1=BA=AFc : (kh=C3=B4ng b=E1=BA=B1ng =
ph=E1=BA=B3ng)<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">+=20
C=C3=B3 =C4=91=E1=BB=91i h=C6=B0=E1=BB=9Bng (g=C3=A3y) : thanh ng=C3=A3, =
thanh h=E1=BB=8Fi<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">+=20
Kh=C3=B4ng =C4=91=E1=BB=91i h=C6=B0=E1=BB=9Bng : thanh s=E1=BA=AFc, =
thanh n=E1=BA=B7ng<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt"> <O:P>=20
</O:P>
<P class=3DMsoNormal=20

style=3D"MARGIN-TOP: 6pt; TEXT-INDENT: 28.35pt; TEXT-ALIGN: =
justify"><SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">C=C3=B3=20
th=E1=BB=83 t=C3=B3m k=E1=BA=BFt trong b=E1=BA=A3ng sau =C4=91=C3=A2y =
:<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt"> <O:P>=20
<IMG height=3D202 =
/tailieu/luyenthanh/bang_trac.gif"=20
width=3D607 border=3D0></O:P> 
<B=20
style=3D"mso-bidi-font-weight: normal"><SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt"> <O:P>=20
Ghi ch=C3=BA <SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">:=20
C=C3=A1c ch=E1=BB=AF =C4=91=E1=BB=83 trong ngo=E1=BA=B7c =C4=91=C6=A1n =
l=C3=A0 ti=E1=BA=BFng H=C3=A1n m=C3=A0 cha =C3=B4ng ta =C4=91=C3=A3 =
d=C3=B9ng trong thi v=C4=83n c=E1=BB=95.=20
Ri=C3=AAng =E2=80=9Ckh=E1=BB=A9=E2=80=9D kh=E1=BA=AFc v=E1=BB=9Bi =
=E2=80=9Cnh=E1=BA=ADp=E2=80=9D =E1=BB=9F ch=E1=BB=97 thanh nh=E1=BA=ADp =
=C3=A2m =C4=91i=E1=BB=87u b=E1=BB=8B r=C3=BAt ng=E1=BA=AFn h=C6=A1n =
thanh=20
kh=E1=BB=A9.<O:P> </O:P>

<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">Th=C3=AD=20
d=E1=BB=A5 : =E2=80=9Cm=C3=A1, =E2=80=9Ch=C3=A1n=E2=80=9D (kh=E1=BB=AF) =
=C4=91=E1=BB=8Dc d=C3=A0i h=C6=A1n l=C3=A0 =E2=80=9Cm=C3=A1t=E2=80=9D =
(nh=E1=BA=ADp) (thanh nh=E1=BA=ADp =C4=91i v=E1=BB=9Bi c=C3=A1c =C3=A2m =
cu=E1=BB=91i=20
p, t, ch, c).<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt"> <B=20
style=3D"mso-bidi-font-weight: normal"><SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt"> <O:P>=20
</O:P>
<B=20
style=3D"mso-bidi-font-weight: normal"><SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: Wingdings; mso-bidi-font-size: =
10.0pt; mso-char-type: symbol; mso-symbol-font-family: Wingdings; =
mso-ascii-font-family: Time New Roman; mso-hansi-font-family: Time New =
Roman">{<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">=20
PH=E1=BA=A6N TH=E1=BB=B0C T=E1=BA=ACP<O:P> </O:P>
<I=20

style=3D"mso-bidi-font-style: normal"><SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt"> <O:P>=20
</O:P>
<I=20
style=3D"mso-bidi-font-style: normal"><SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">1.=20
T=E1=BA=ADp =C4=91=E1=BB=8Dc c=C3=A1c nguy=C3=AAn =C3=A2m =C4=91=C6=A1n =
h=C3=A0ng tr=C6=B0=E1=BB=9Bc, h=C3=A0ng gi=E1=BB=AFa, h=C3=A0ng sau<O:P> =
</O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">-=20
Ph=E1=BB=91i h=E1=BB=A3p c=C3=A1c ph=E1=BB=A5 =C3=A2m v=E1=BB=9Bi =
c=C3=A1c nguy=C3=AAn =C3=A2m tr=C3=AAn.<O:P> </O:P>
<I=20
style=3D"mso-bidi-font-style: normal"><SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">2.=20
T=E1=BA=ADp =C4=91=E1=BB=8Dc c=C3=A1c =C3=A2m cu=E1=BB=91i :<O:P> =
</O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =

mso-bidi-font-size: 10.0pt">-=20
Mai, m=C4=83y, mao, m=C4=83u, mam, m=C3=A1p, man, m=C3=A1t, mang =
m=C3=A1c <O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">-=20
Tai, t=C4=83y, tao, tam, tan, tang <O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">-=20
M=C3=A1i, m=E1=BA=AFy, m=C3=A1o, m=E1=BA=AFu, m=C3=A1m, m=C3=A1p, =
m=C3=A1n, m=C3=A1ng, m=C3=A1c. (Thay b=E1=BA=B1ng c=C3=A1c ph=E1=BB=A5 =
=C3=A2m =C4=91=E1=BA=A7u=20
kh=C3=A1c).<O:P> </O:P>
<I=20
style=3D"mso-bidi-font-style: normal"><SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">3.=20
T=E1=BA=ADp ph=C3=A2n bi=E1=BB=87t ph=E1=BB=A5 =C3=A2m =C4=91=E1=BA=A7u =
:<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">=20
xa # sa, la # na, tra # cha (thay c=C3=A1c nguy=C3=AAn =C3=A2m =
kh=C3=A1c).<I=20
style=3D"mso-bidi-font-style: normal"><O:P> </O:P>

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style=3D"mso-bidi-font-style: normal"><SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt"> <O:P>=20
</O:P>
<I=20
style=3D"mso-bidi-font-style: normal"><SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">4.=20
T=E1=BA=ADp ph=C3=A2n t=C3=ADch ng=E1=BB=AF =C3=A2m<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">=20
t=E1=BA=A5t c=E1=BA=A3 c=C3=A1c ch=E1=BB=AF trong b=C3=A0i =
=E2=80=9CKh=C3=BAc Nh=E1=BA=A1c C=E1=BA=A3m T=E1=BA=A1=E2=80=9D v=C3=A0 =
t=E1=BA=ADp =C4=91=E1=BB=8Dc cho =C4=91=C3=BAng c=C3=A1ch c=E1=BA=A5u =
=C3=A2m c=E1=BB=A7a=20
t=E1=BB=ABng ch=E1=BB=AF, nh=E1=BA=A5t l=C3=A0 c=C3=A1c ph=E1=BB=A5 =
=C3=A2m =C4=91=E1=BA=A7u v=C3=A0 =C3=A2m cu=E1=BB=91i : =
=E2=80=9CT=C3=ACnh Ch=C3=BAa cao v=E1=BB=9Di, =C3=B4i t=C3=ACnh =
Ch=C3=BAa=20
tuy=E1=BB=87t v=E1=BB=9Di, Ng=C6=B0=E1=BB=9Di =C4=91=C3=A3 y=C3=AAu =
t=C3=B4i, mu=C3=B4n =C4=91=E1=BB=9Di =C4=91=C3=A3 th=C6=B0=C6=A1ng =
t=C3=B4i, th=C6=B0=C6=A1ng t=C3=B4i t=E1=BB=AB thu=E1=BB=9F =
=C4=91=E1=BB=9Di =C4=91=E1=BB=9Di.=20
Ng=C6=B0=E1=BB=9Di =C4=91=C3=A3 cho t=C3=B4i ti=E1=BA=BFng n=C3=B3i =
tuy=E1=BB=87t v=E1=BB=9Di, =C3=A2m thanh ch=C6=A1i v=C6=A1i ru =
h=E1=BB=93n ph=C6=A1i ph=E1=BB=9Bi, ti=E1=BA=BFng=20
n=C3=B3i y=C3=AAu th=C6=B0=C6=A1ng, bay kh=E1=BA=AFp mu=C3=B4n =

ph=C6=B0=C6=A1ng, vang l=C3=AAn kh=C3=BAc nh=E1=BA=A1c c=E1=BA=A3m =
t=E1=BA=A1 ng=C3=A0n =C4=91=E1=BB=9Di=E2=80=9D (56 =C3=A2m=20
ti=E1=BA=BFt).<O:P> </O:P>
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style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">Ph=C3=A2n=20
t=C3=ADch theo m=E1=BA=ABu sau =C4=91=C3=A2y :<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
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ph=C3=A2n t=C3=ADch ng=E1=BB=AF =C3=A2m v=C3=A0 x=E1=BB=AD l=C3=BD =
ng=C3=B4n ng=E1=BB=AF b=C3=A0i =E2=80=9CKh=C3=BAc Nh=E1=BA=A1c =
C=E1=BA=A3m T=E1=BA=A1=E2=80=9D (xem gi=E1=BA=A5y =C4=91=C3=ADnh=20
k=C3=A8m)<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">-=20
L=C3=BAc =C4=91=E1=BA=A7u ch=E1=BB=89 ph=C3=A2n t=C3=ADch =
=C4=91=E1=BA=BFn m=E1=BB=A5c =E2=80=9C=C3=A2m cu=E1=BB=91i=E2=80=9D, =
c=C3=B2n =E2=80=9Clo=E1=BA=A1i v=E1=BA=A7n=E2=80=9D, v=C3=A0 =
=E2=80=9Cx=E1=BB=AD l=C3=BD c=E1=BB=A5 th=E1=BB=83=E2=80=9D s=E1=BA=BD=20
=C4=91i=E1=BB=81n v=C3=A0o, sau khi =C4=91=C3=A3 h=E1=BB=8Dc b=C3=A0i =
x=E1=BB=AD l=C3=BD ng=C3=B4n ng=E1=BB=AF.<O:P> </O:P>
<P class=3DMsoNormal=20

style=3D"MARGIN-TOP: 6pt; TEXT-INDENT: 14.2pt; TEXT-ALIGN: =
justify"><SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">-=20
X=E1=BB=AD l=C3=BD c=E1=BB=A5 th=E1=BB=83 l=C3=A0 x=C3=A9t v=E1=BA=A7n =
=C4=91=C3=B3 h=C3=A1t nh=C6=B0 th=E1=BA=BF n=C3=A0o, m=E1=BB=9F =
=C4=91=C3=B3ng ra sao, =C4=91=C3=B3ng =E1=BB=9F d=E1=BA=A5u n=C3=A0o =
c=E1=BB=A5=20
th=E1=BB=83 trong t=E1=BB=ABng b=C3=A0i h=C3=A1t.<O:P> </O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt">5.=20
=C3=94n l=E1=BA=A1i c=C3=A1c =
m=E1=BA=ABu luy=E1=BB=87n thanh =C4=91=C3=A3 h=E1=BB=8Dc.<O:P>=20
</O:P>
<SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt"> <B=20
style=3D"mso-bidi-font-weight: normal"><SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Time New Roman'; =
mso-bidi-font-size: 10.0pt"><O:P>=20
</O:P>
<B=20

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