Question

[Đào Ngọc Minh Thư]

Tính  { 2 + 4 + 6 + 8 +......... 100 ) * ( 58 * 8 - 116 * 4 ) =

Answer 1

[Yarika chan]

Ta co so so hang cua tong 2+4+6+8+...100 la 
(100-2):2+1=50(so hang)
Tong 2+4+6+8+...100 la
(100+2)x50:2=2550
Vi Gia tri cua bieu thuc 58x8-116x4=0
nen tich 2550x0=0
 

Answer 2

[Nguyễn Văn A]

Ta co so so hang cua tong 2+4+6+8+...100 la 
(100-2):2+1=50(so hang)
Tong 2+4+6+8+...100 la
(100+2)x50:2=2550
Vi Gia tri cua bieu thuc 58x8-116x4=0
nen tich 2550x0=0