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数学
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【14.8+(44/7-4.5)×28/25】÷8/3简便运算
人气:194 ℃ 时间:2020-03-22 03:17:00
解答
【14.8+(44/7-4.5)X 28/25] ÷8/3
=【14.8+25/14×28/25】×3/8
=【14.8+2】×3/8
=16.8×3/8
=6.3或者
=[14.8+(44/7-9/2)×28/25]÷8/3
=[14.8+(88-63)/14×28/25]×3/8
=(14.8+25/14×28/25)×3/8
=(14.8+2)×3/8
=(16+8/10)×3/8
=6+3/10
=6又10分之3
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