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.)" . 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.. !"#$%&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.