4!等于多少 - 百度知道
4！=24。 4！是一个阶乘计算，是计算4的阶乘，具体的计算过程如下： 4！=4x3x2x1=24. 阶乘的计算方法： 当所求阶乘数大于等于1时，用公式n！=nX（n-1）x（n-2）x•••x3x2x1进行计算。 当所求阶乘 …
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