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fff NL
h
•
h'
d`.?QJ:eL
 GC;/72$BS
'
'S

f$?0•'N€NVS

f'NN=
:HFfL:15?%S

f'N(( =.Hf NL
h

•
h'
b. S
'
Sf$?0•N€NS

fN
.=S
'
SfSffdSe
dSeC>SN€BdS


ef
‚dSefS6?#dNe.dSeJdNe
dNeqdSe‚defffF•
!;dSeC**1dNeV:HFf•
 !VS

fN.S9TUT\CpE7.
S

f
V.HS

f
.=
• fffN' 
fffN')
• fffN'' ())
fffN'''(
• fffN' '
fffN')()
• fffN')')'('
fffN))`.?QJ:L
• GC;E72$BS
'
Sf$?0•N€NVS

fNL:
H    Ff   L  :1  5  ?%  N')')'('  =  .  H
N))
=1 $.'


c. Sf$?0•N€NS

fN
.=dSef
 dSeC>SN€BdS

ef
‚dSefS6?#dNe.dSeJdNe
 6*1‚dSe$?0•N€.
fhN')(
f
j?9.?7adNeNfF•NT?=dSeC**1dNeV:H
Ff•
 !VS

fN.S9TUT\CpE7.
S

f
V.HS

f
.=
• fffN(('
fffN) (( 
• ffN )(
fffN'((( 
• ffN'( ))
fffN'(('(

• ffN '((
f
fN')'
• ffN((' (
f
fN('(L`.?QJ:L
• GC;/72$BSf$?0•N€N
=1 $.

• VS

fNL:HFfL:15?%fN((' (V.
HN('(L
#?,E
{iE72$BSkL\]`$vE72$B=:1
TD$?0•N€LGtT>O]CpEf.=-
B1?7a:15?%A.E72$B*.JO„G
JO\Y$.O]CpEJ6H2L\@0.„
Giải:
…dSefSk=…‚dSefkƒNS•N€*…de…de•L
O-tT>O]CpEfB*1CpEdSef=L
X=-tT>E72E6E[|V*1CpEdSefL

=1 $.

QRA
 QR[`(iSW^
V' !*W
A%QR]V
+TA.E72E6EW.?-:E72$B?0HG

@C*tT>6EiEIG?z2DE[*?--Q1+
E72$B1V72?72V:E72$Bm1*1.$;:
H=T0.16LX6EiEIG?z2DE7l.tT>C*
• 91+*1+HJ6JOL
• 6-.*.L
• X+1+*1+*J6?\9V1+HJ6JOL
A<QR]Zj!
+TA.E72E6E9t&,C*E9@1.$;:Hb
*@A..1.$;&*,N$?=&C*1.$;.16T7V
*,C.1.$;.16$L?=::E72$BbSfI
y?7.Q::E72$B&fI*,Sf1*1.$;:HC*
61.$;.16*:1?7aj6O]
0.k8cde@0:
=1 $.(

(cdA% GbC*1.$;JOIGNBI.lm30
1+1.$;/JOIG.1.1.$;/bE9@?7a
*@A.1.$;.16T7V&*1.$;.16$Nx.
C./bf&,L
X=$DQQE72E6EE9@bf&,N.7l
Si6$7laE1.$;&=?7li@Iv*C*
E72E6EMCC[L?=&*,=T0
&f*,f
X6E5tA..1.$;&*,?7aS6?#[O].
AAQR]\!l$
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