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5.14÷0.25+4.6×4如何简便运算
人气:468 ℃ 时间:2020-05-02 06:46:07
解答
5.14÷0.25+4.6×4
=5.14÷1/4+4.6×4
=5.14×4+4.6×4
=4×(5.14+4.6)
=4×9.74
=38.96
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