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Thi thu DH-khoiA-lán-2012-So Vinh Phuc

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cho
cti6m t5i
cla.
-
Cdu V thi
sinh
c6 thti lam
theo
cdch x6t
:
%
""
-
%.r.*

-
SM'SN
-
q'{
-i-
%.*o
\.u.o
sA.sD
sD
-
C6u VIIa
vd
Cdu
VIIb
thi
sinh
c6 th€
cti chimg
minh,cOng
thirc
:
kcl
=
ncl-i
Sau
d6 thay lAn
lucrt k
:1,2,3,
. . ,n
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