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47x54十47x47一47的简便运算？

2025-04-07 14:41:05

推荐回答（4个）

回答1：

简便运算方法如下：
47×54+47×47-47
=47×（54+47-1）
=47×（54+46）
=47×100
=4700，
计算完成。

回答2：

每个乘法式子都有47,把47提出来剩余的数相加减，原式等于47×(54+47－1)=47×100=4700

回答3：

乘法分配律为：两个数的和与一个数相乘，先将它们与这个数分别相乘，再相加，积不变．即：（a+b）×c=a×c+b×c．反过来则：a×c+b×c=（a+b）×c
47×54+47×47-47
= 47× ( 54+47-1)
= 47×100
=4700

回答4：

47*54+47*47-47
=47*（54+47-1）
=47*100
=4700
望采纳，谢谢！

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