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2.4×45+24×5.5简便计算
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答案240,简便计算:2.4×45+24×5.5 =2.4x45+2.4x55 =2.4x(45+55) =2.4x100 =240运用乘法分配律的逆运算
咨询记录 · 回答于2023-02-16
2.4×45+24×5.5简便计算
答案240,简便计算:2.4×45+24×5.5 =2.4x45+2.4x55 =2.4x(45+55) =2.4x100 =240运用乘法分配律的逆运算
答案240,简便计算:2.4×45+24×5.5 =2.4x45+2.4x55 =2.4x(45+55) =2.4x100 =240运用乘法分配律的逆运算
乘法分配律的逆运算:axb+axc=ax(b+c)
同学,能理解吧![](https://s.bdstatic.com/common/openjs/emoticon/img/face_01.png)
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