初一数学题求(x-1)(x^99+x^98+x^97+...+1)的值,其中x=2
问题描述：
初一数学题求(x-1)(x^99+x^98+x^97+...+1)的值,其中x=2
答
(x-1)(x^99+x^98+x^97+...+1)
=x^100-1
=2^100-1