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85问答库 > 89×20÷89×20的简便运算方法怎么算

89×20÷89×20的简便运算方法怎么算

2025-04-07 13:51:44

推荐回答（2个）

回答1：

（89*20）/89＝20
先按照上面的算出，再最后乘以20，最后答案是40
简便方法是除号写成分数符号，不知道这样讲能理解不，但一定要遵循先乘除后加减

回答2：

20×89×5
=20×5×89
=100x×89
=8900

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