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101×8787用简便方法计算
更新时间： 2020-07-06 00:00:00  

将101拆分成100加1，100乘以87加1乘以87，再减去87，后面两部分相减为0，通过口算得出答案8700。像这样既有乘法又有减法的题，我们做题的思路是从乘法中拆出一个和后面减数一样的数，使其相减后得出0，然后只需要口算得出前面剩余乘法的结果。

关键词： 简便 方法 计算

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