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数学
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一个数除以百分数怎么算?和一个数乘以百分数怎么算?
具体参考义务教育课程标准实验教程小学数学口算训练六年级上P50左右两行!
人气：385 ℃ 时间：2020-04-06 12:11:55
解答
写成乘以或除以一个分数的形式就可以了
比方说100除以40%
即100÷40/100=100×100/40=250
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