Violympic Toan Vong 7-8

BÀI THI SỐ 2


 !"#$ %
&
 !"#$ %
'
() !*+, %
-
 !"#$ %
.
 !"#$ %
/
0!*12134561!$1789: *;4<:81321% *
=
!*1>?218>3 @4561!>AB.*C43AB *
D
;EF>?G3=H*>?I>GB'.*C43>B *
J
K5L1; 3F1M*%NBO P
QFRST1U1:R@1U"V:)WXY
H
!*1>?218@3?B.*ZG%4#*<8>+! 
C43>GB *[:57:81+,F
BÀI THI SỐ 1
Z44\1

" Q 45:57:81 ; "]1"!^_
.
&
J

+,
&
 !"#$ %
`<
'
"!+, N++!494\1_
-
Q4<:89 !!*1218!%4<:8 !!*14;4<:4561! !
!*149%
4+,
.
0F1M* !5L1; %
OI&XIP
OI&XIXHXP
OI&XIXHP
OIXHXP
/
0a1 "]1
`<+,
=
Q1M* !5L1; %
`<
D
U"F"! ! %
J
Q @; "]1
H
[7 @\1Z"#$KB %

I

4+,
BÀI THI SỐ 2


!*1>?218>@">B&H*X C43? *QF4b%*
c4*<E+,F
&
!*1>?3>?B-*X>BD* GM!*1>?"]1 
'
!*1>?218>@"?BD*X>BD*C43 QF+,4134b%*
c44<
-
0
.
\1Z !"#$KB %
/
 !"#$ %
=
Q1M*19^ !5L1; %
D
 !"#$ %
J
!*1>?218>@4561!>A?A?BJ*XAB/*C43 QF
+,4134b%*c44<
H
!*1>?3?BJ*X C43> *[4b%*c
4E+,F$)