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85问答库 > 怎样算一个数的百分数如100的百分之30是多少

怎样算一个数的百分数如100的百分之30是多少

2025-04-04 15:08:40

推荐回答（2个）

回答1：

百分之多少
就是分100份之后它占多少分
百分之30
就是除以100乘以30
百分之几
就是除以100乘以几

回答2：

算法：（一个数）
称以
（百分之几的几）
除以（100）；如的72的50%是多少？=72*50/100=3600/100=36。
如果是反过来求一个数是另一个数的百分之几则，（一个数）除以（另一个数）称以（100）再后面加个%。如3是5的百分之几？=3/5*100%=0.6*100%=60%

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