数学计算超级

问题描述:

数学计算超级
(1-1/2^2)(1-1/3^2)(1-1/4^2)···(1-1/90^2)(1-1/100^2)过程要详细

根据公式a^2-b^2=(a-b)(a+b),得:原式=(1-1/2)(1+1/2)(1-1/3)(1+1/3)(1-1/4)(1+1/4)...(1-1/99)(1+1/99)(1-1/100)(1+1/100)=(1/2)(3/2)(2/3)(4/3)(3/4)(5/4)...(99/100)(101/100)=[(1/2)(2/3)(3/4)...(1-1/99)(99/...