Tính giá trị biểu thức: D = ( 1 - 1/2 ) x ( 1 - 1/3 ) x (1 x 1/4) x ..... x (1 - 1/100)

D= ( 1 - 1/2 ) x ( 1 - 1/3 ) x (1 x 1/4) x ..... x (1 - 1/100)

E= (1 + 1/2) x (1 + 1/3) x ( 1 + 1/4 ) x ...... x ( 1 + 1/99 )

F= ( 1 - 1/4x4 ) x ( 1 - 1/5x5 ) x ( 1 - 1/6x6 ) x ..... x ( 1 - 1/11x11 )


Nhanh hộ ak