Các câu hỏi tương tự
tinh tong phan so A=1/3+1/3^2+1/3^3+...+1/3^100
A= 1*1+2*2+3*3+...+100*100
tinh tong A
tinh tong
A=1+2+3+...+100
B=1/2+1/4+1/6+...+1/100
ai lam dung nhanh nhat se k
bai1.Tinh tong cua cac so nguyen am tu -1738 den -16
bai2.Tinh tong sau bang 2 cach
A=1+(-2)+3+(-4)+....+99+(-100)
bai1:tinh tong S=1.3+3.5+5.7+...+99.101
bai2 :tinh tong S=1.4+4.7+7.10+...+2017.2020
bai 3: tinh tong N=2.4+4.6+6.8+..+100.102
bai 4: tinh tóng=2.6+6.10+10.14+14.18+...+42.46+50.54
bai 5:tinh tongB=2^2+4^2+6^2+...+100^2
bai 6:C=1^2+3^2+...+100^2
bai7: biet 1^2+2^2+3^2+...+10^2=385 tinh tong 2^2+4^2+6^2+...+20^2
bai 8: tinh tong s=1^2+2^2+3^2+...+99^2
A=1 2 3...9 10 11...100
Tinh tong cac chu so cua A
Tinh tong S = 1×2+2×3+3×4+4×5+•••••+99×100
tinh tong cua 100 phan so dau tien cua day so: 1/3 ,1/15 ,1/35 ,....
Tinh tong:
1+2+3+4+...+99+100