Các câu hỏi tương tự
tinh tong:
S=(1+2.5+3.5+...+101+201)+12+22+32+...1002)
1)S=1+22+23+24+26+.....+22016.so sanh S vs 22018
2)tinh tong:\(M=\frac{4}{1.2}+\frac{8}{2.3}+\frac{14}{3.4}+.....+\frac{9902}{99.100}\)
Tinh tong sau:
N=1^1+2^2+3^3+...+100^100. So sanh N voi 101^102.
tinh tong
1 + 2 + 22 + 23 +...+ 299 + 2100
Tinh tong : S=\(1+3+13+......+\frac{5^{n-1}+1}{2}+.......+\frac{5^{2010}+1}{2}+\frac{5^{2011}+1}{2}\)
tinh tong : S = 1 + 5^2 + 5^4 + ......+5^200
Bt:1^2+2^2+...+15^2=1240
Tinh tong A=100^2+200^2+300^2+...+1500^2
Cac bn giup mik vs,mik can gap nha!
tinh S= 1+1/2(1+2)+1/3(1+2+3)+...+1/100(1+2+3+...+100)
tinh tong
3 + 3^1 + 3^2 + 3^3+............+ 3^100