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45/44*29(用简便运算来计算)
人气:253 ℃ 时间:2020-02-16 12:49:38
解答
45/44*29
=45÷44×29
=29×45÷44
=29×(44+1)÷44
=29×(44÷44+1÷44)
=29×(1+1÷44)
=29+29÷44
=29又29/44
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