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82问答网 > 68×47＋33x47-47简便做法怎么做？

68×47＋33x47-47简便做法怎么做？

2025-03-15 05:26:45

推荐回答（2个）

回答1：

=47×（68+33-1）
=47×100
=4700
解法分析：提取公因数47，利用乘法分配律逆用，按照四则运算法则进行运算，有括号先算括号里面的，同级运算按顺序计算，不同级运算先算高级运算，所以就可以很快得出结果。

回答2：

原式=47×（68+33-1）
=47×100
=4700

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