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82(<:349&)6]-0 12444
4 1"0889&)64HG&*+I4F34I4*+
s
I49&e169&'<86*"3;=(8+C%
0<% <(,](34#
W=&'83Y(0%:%*(&86(
%(lX<1(850;<1(<:(v#LF)G

BfC%(0Q,91+ 9&(<:(#(;<1
(6%\'34(I)w;=FN;=*& 6GB;
<(f 546BI:6B0%2F:; %F6V F
F282%=7;<1(%:(N%= h&0
)4'+3;=*+,_('34;<((
Q%:0(<#B)GI*."(3L
(e4G4447I4F(C%; 1I40
BQ%&F/ 1+'34#
+Q%:'(0/ &+'F)& 
MF@Q%B :; '(#
MF>jH1;8Q#
MFZ82Q#
MFqdB%&, 0#
A9("&'83Y= 9&':%(07(
'Fe Q*"3;=*+,(()L
%*BB '+3;=(1 e C%4'+7(
0%I 1g*62&1(^;<1C(0L
;<1 1L%: ^4h*+,G)y((&
/ &H%+LI)1+ %o]+)*"
:7Q0zG2 / +0 1234&&(3%7)'
%514= :C(0%9&(;J+2)<
(####!316B/ Q;<1%(<2 / &(]&eG
NF%FN944%FB*77*"3,,
]()#
4,Q7RX3
K
4,-,XCV019:3
a &*()50Ie "%8+;<1g;8
P24(351+0 1234%<)LK^%&
%+),h6&54;JI)6&)L)($H1

0%*G6c I**&*GB 6)\0834*Q
1 7%(%QB(2%=34#
8<9&2;<1+0 1234G +<)LG
^%h<+=B)& 
)C3
M)&78) 1`9:&%&((6&%<
;<Q'1'(2*+/ &B%H&'+8
)4D%(<:9&'H'<'-#
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A78) 1`678&%&'34B8*%4-0 12
*`"(#

A783;=*+,_B4H7/ 1+'
34h&#
A78(0 36%<;<Q'1'(2*+/ &B%9&%Q#
A+8])&'9&%Q9&'<#
<,4,B>"LCV010W=3
<,4,- ;7%8%("CV08%02&(3|%(<*0 1234}
n(h&H OB)0/ &G)20<*+
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/ &)w&'34*B%&'g()Q'10%:
'34_&(()0%R+F6$%*B%&)
B 07 1++H bd."3;=0 1+((+(b
)%[)&0e%Qbn(efN*+,(
e2(20 1234'34%F#
]9Zn(&NH OG75 5B 1:
)0%26*O/  H O=hfH1;8%:2L
H O4I4F1 e '344;=54;J)LI6fI
&^,"9&cH O6%=7H O6H O[G2
L6P(4)N&N+ )G*)+'
344;=#
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5}4I4F'344;=cLI)#)0
$%9L(2*+,/ &G('+IQ<[%
'[*+,9&)B)N&N&'E) N*+,+ )G$%
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@?
U441^O)4 D'L*+,_'34R
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':%#
JA-3+rr 1234|,,P;<}
  n(fN*+,)pI3;=(+1B*+I4

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 1+F'344;=&10 1+G6+1e'&*+,
,P;<6:c,P;<67'B ,#
n(GB*B%&Z)#
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W4;='34#
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Phương pháp:
MQ%B :; '(Q%h4,P;<#
MjH1;8Qj‚N,G4e'+#
M82Q
h4,P;<0f
>
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1u>f1rf1#
MdB%&, 0() 0<1 e '(
)3f‚'0%9&'<#

nT!3f‚L0<*+,e20<,P;<6)
4H'2I,P;<QGphần biến giống nhau, ,*
P;<QGphần biến khác nhau.
•)>Y L:6c,P;<&0%+(b
W4;=|@Knd#Zr}79&'B ,)& <fƒ@1ƒ
A@
@@
r r r
@ Z
> q
x y x y x y
− +
n(1 e :,P;<0<P7
Phương pháp:
MQ%B :; '(79&'B ,
MjH1;8Q
F@ &,
F>&19&'+(&,P824‚47
M82Q
r r r
@ Z
> q
x y x y x y− +

r r
@ Z Z
@
> q q
x y x y
 

= − + =
 ÷
 
&1fƒ@61ƒA@('B ,&I
( )
r
Z Z
#@ # @
q q
− = −
T31
Z
q

09&'B ,<fƒ@u1ƒA@
MdB%&, 0() 0<1 e '(
)3f‚'0%9&'<#
n!3f‚L0</ 1[:c,P;<#
•)ZY L7'B ,&0%+(b
W4;=|@Knd#Zr}79&'B ,)& <fƒ@1ƒ
A@
r r r
@ Z
> q
x y x y x y
− +
n(1 e )78+4
M82Q
&1fƒ@61ƒA@('B ,|@}&G
( ) ( ) ( )

r r r
@ Z
#@ # @ #@ # @ @ # @
> q
− − − + −
@>
@ Z > Z q Z
@
> q q q q q

= − + − = − + − =
T31
Z
q

09&'B ,<fƒ@u1ƒA@
a &0%6(c&*B%&I*+,9&)6*`"
3;=*+,('349&)c&F2 ()0*
%:'(&GBC( *& 6F( 326
[Q&G#=BR'34(GB(
)0F48)()>P]&3f‚([6;m
B 6;m0%6B0%C(G# L(eL0<0F*
79&%:'B ,& 'B ,G'$:6c
,P;<|+ e}6P%F7'B ,#
<,4,4,;7%8%L%$6%8#C2>"LCV013|%'34
*0 1234}
 (;<142/ 1+56)c&[%,
%F6c&[%I4443;=,G64B; 178
)<(6)428/ 1+5/ &/ QI;J
;[6 H O9&(#

]9ZTE,GBF;J)(<:H&1
(0 36&(E(G%C(o<(9&(#d()+43
425'34%F6('34C(;<B)
G)80/ &N&*+,_'+F5e/ 1+6);m9
:78(*%4Q%&#
#%8%n(*+I42fH1;82LH O6<(7
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Phương pháp:
MQ%B :; '(79&'B ,#

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Phương pháp:
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>>
ML^6‚46'&4634* G)…9&(#
ge]+%:)L1 e LF09&)
M*G)&0e%#
M340 34G",7f#
M4e19|56Q'1OI407}
?,`L>0123
(/ Q;<1*B%&_)w;=&(:N&
0F482%|0F4Kk@}0F4L,|0F4KkZ}B*B%,778
349&)/ &2F;J0 1234%<)L'$4+  &
)& 
MF4Kk@Z{)#
MF4KkZZK)#
;5 f(@(>*+R


!ŽSXŠ!n
F4Kk@ F4KkZ
P
d
P
P
d
P
@ 7%<)LK >r @Z @r >>

> f 1f 4(0
'34<)LK
Z? { >? @K

Z
Y(]44B7 2
"08'H
>K @@ @q >Z
q h4]*G*"(
(:)pL[
>{ @? @{ @~
r ('34F*
+0F4
Zs > >r @>
a &4+  &351
AF4Kk@Z?tZ{)78%(#
AF4KkZ>?tZK)78%(#
Về chất lượng cụ thể như sau:
L**+/ *()0F482%Kk@Z{
B%*() nO d  •+ d‚%
>Z
 •  •  •  •  •
e "% r @Z6> s @r6{ @@ >{6~ @Z Zq6> Z K6~
nN&*‘S r @Z6> { >@ @> >@ @@ >{6~ > r6Z
*‘S K @{6q @? >s6Z @q Zs6~ K @{#q ?
& *4;=44Q(+0 1234<)LG'+ 1BO
2=B)& 
Về học sinh:
+0 1234C%(<:78) 1`69:&%&(
(<:34%<;<;e* *+9&%Q/ &

(<:G%6^64 1"089&C%6'+8
*+&1*+/ 9&'H'<'-#
)[%I;<'3464H0(<'346-I*’"4H
7'+43;=*+,+(B/ 1+5|G04
20=}f'F'34%:I40760(#a &G
C%GB/ 1'344,<4;</ C :BG*’") 10 3
0(6QG/ C/ 1+5C(%:Q8*(&#
Về giáo viên:
F;J)'34C(c'FI(<]4)
;m0`:*+,6*+,gIgL*[)H (&^
F(); 1I40763;=*+,I 30I6*+,
c&I2c&I3;=H1)8,]LF%#
a &Gg4H(I%,:*+,(LI)
*& 6;(G ]I5LI&%&fH1;8'#
82I%= E%F444;<1C(F786)w
;=444Q,E,;<1%:I4076G4
44L( 1=*+,6]4)'+3;=(/ 1+
N58m :)L#
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