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13问答网 > 三个质数的倒数和是231分之131，这三个质数是多少

三个质数的倒数和是231分之131，这三个质数是多少

2025-03-15 13:57:33

推荐回答（1个）

回答1：

231=3×7×11

3×7+7×11+11×3=131

这三个质数分别是3，7和11

具体理解的话：
这个题一般还是用分解这个数字231来计算的。
首先可以知道231能够被3整除
231÷3=77
77=7×11
所以231=3×7×11
又因为这三个数字正好都是质数
所以一般就是这三个了
希望帮到你望采纳谢谢加油！！

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