Các câu hỏi tương tự
(1+1/1x3)x(1+1/2x4)x(1+1/3x5)x...x(1+1/99x101)
B = ( 1 + 1/2x3 ) x ( 1+ 1/2x4) x (1+1/3x5) x.......x (1+1/99x101)
(1+1/1x3)x(1+1/2x4)x(1+1/3x5)x(1+1/4x6)x(1+1/5x7)
tinh nhanh
\(\left(1-\frac{1}{1x3}\right)x\left(1-\frac{1}{2x4}\right)x\left(1-\frac{1}{3x5}\right)x....x\left(1-\frac{1}{20x22}\right)\)
tinh nhanh
\(\left(1-\frac{1}{1x3}\right)x\left(1-\frac{1}{2x4}\right)x\left(1-\frac{1}{3x5}\right)x....x\left(1-\frac{1}{20x22}\right)\)
tìm A,B biết
A=( 1+ 1/1x3 ) x (1+1/2x4) x (1+1/3x5) x ( 1+1/4x6 ) x(1+1/5x7)
B = 1/2+1/4+1/8 +1/6 + .... + 1/128+1/256
giai duoc cai gi minh cung tick cho
a)1/1x3+1/3x5+1/5x7+...+1/Xx(x+3)=99/200
b)1/1x3+1/3x5+1/5x7+...+1/Xx(x+2)
1/1x3 + 1/3x5 + ...+ 1/99x101 = ?
1/1x3+1/3x5+1/5x7+.......+1/99x101