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数学
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6.75×40%+27/4×36%+6.75×6/25简便运算
人气:456 ℃ 时间:2020-04-05 07:23:04
解答
6.75×40%+27/4×36%+6.75×6/25
=6.75×(0.4+0.36+0.24)
=6.75×1
=6.75
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