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化简:(x-1)5+5(x-1)4+10(x-1)3+10(x-1)2+5(x-1)=

问题详情:

化简:(x-1)5+5(x-1)4+10(x-1)3+10(x-1)2+5(x-1)=

化简:(x-1)5+5(x-1)4+10(x-1)3+10(x-1)2+5(x-1)=________.

【回答】

x5-1

知识点:计数原理

题型:填空题

TAG标签:化简 5x 10x #