Các câu hỏi tương tự
Tính
1/1.3.5 + 1/3.5.7 + 1/5.7.9 + ... + 1/99.101.103
CÁC BẠN GIÚP MIK VỚI
24/1.3.5+24/3.5.7+24/5.7.9+...+24/25.27.29
24/1.3.5+24/3.5.7+24/5.7.9+...+24/25.27.29
A=24/1.3.5+24/3.5.7+24/5.7.9+...+24/25.27.29
A=24/1.3.5+24/3.5.7+24/5.7.9+...+24/25.27.29
Tính: \(T=9^9+9^{99}+9^{999}+9^{9999}+9^{99999}+9^{999999}+........+9^{9999999999}+9^{9999999999}+9^{999999999999}+9^{999999999999}\)
Tính :
A = \(\frac{17}{1.3.5}\) + \(\frac{17}{3.5.7}\) + \(\frac{17}{5.7.9}\) + ... + \(\frac{17}{47.49.51}\)
Ủng hộ 2 tick cho !!!
Tính.
a)A=1/1.3.5+1/3.5.7+1/5.7.9+...+1/97.99.101
b)B=2^2019-2^2018-2^2017-...-2+1
c)C=1/1.2+1/3.4+...+1/49.50-1/50-1/49-...-1_2
d)D=1/2!+5/3!+11/4!+..+99.100-1/100!
b)C=1+4(99+3)49/2+97.99.101.103/8
Tinh a)B=(1+4.3+4.5+..+4.99)(1.3.5+3.5.7+...+97.99.100)