đề thi violympic lớp 8 vòng 16

MATH
VIOLYMPIC
CONTEST
ONLINE –
GRADE 8 –
ROUND 16th
ĐỀ THI GIẢI
TOÁN TRÊN
INTERNET –
VIOLYMPIC –
LỚP 8 - VÒNG
16



 !"#$%&'
(")*#"+,-.)/00)/1)*2&34)$%
-/2

 !"#$%&56/4)
$%#78("9):;-/2
<=&
>#?)(=@)*(">#?)A)B#'
CD)E+F)*),=!G#4=C"?)
A)B#+F)*("4=H>)*+F)*
I)?)(=@)*+F)*+,)J=
K
LG#M=N"&
<=&
3O0#)4)>#P)Q)*?)A)B#
'R7#ST("UVW)+,)J=

(J)*I?)(=@)*'I)K
LG#M=N"&
<=&
,*0X!'/0!YU/SZ)*
,X5Y[\D)E#,*0X!
+F)*+,)J=KLG#M=N"&

<=&
?)A)B#X!\'X!Y]
!Y."#H=)*/O!UCD)
E#,*0X!+F)*+,)J=K
LG#M=N"&
<=V&
?)A)B#X!\'CD)E
+F)*."/O+^#R_#HJ)I)
!UCD)E#,*0X\+F)*

<=&
!G#HF)*L/'*0#H`a,E
+F)*
<=[&
,*0X!(=@)*#IX'X!YU
XY,'/SZ)*,X5+F)*

<=&
!G#HF)*L/'*0#H`a,E
+F)*
<=b&
>#?)A)B#(">#?)(=@)*'
=(+F)*),=)S)*CD)E?)

A)B#R:CD)E?)(=@)*
3SZ)*:a,?)A)B#C"
BUCD)E?)A)B#+F)*

56/4)C^=c]d]Y("9#7
8):;
<=&
T.#?RG#M=N$$0)*A,*0#H`
a,+O=#e("$%"

ffffffffffffffffffffffffffffff
ffffffff
Z#W@("0+I)("
g&hh#(/O'#^#N0
34#N#0)#HJ)I)*
)P. V5,#^#N0
#@)*i) ST)*Cj)*NT)^#a,
T.)"