由题目可知：左侧：x^10的系数项是a10(说明a10=10)x^9的系数项是a9 + 10*a10*（-1）（关键理解后面一项 应该有10个a10项）理由如下：a10(x-1)^10=a10(x-1)(x-1)(x-1)(x-1)(x-1)(x-1)(x-1)(x-1)(x-1)(x-1)=a10（x^10+...