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5选3有多少种组合
更新时间： 2020-11-12 00:00:00  

1、有10种组合，其公式为C5-3=(5*4*3)/(1*2*3)=C5-2=(5*4)/(1*2)=10。

2、C(n-m)=An-m/Am-m：

定义：从n个不同元素中取出m(m

关键词： 多少 组合

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