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(4.4x7.5x4.8)除以91.5x2.5x2.4)简便运算
人气:174 ℃ 时间:2020-05-22 00:25:09
解答
(4.4x7.5x4.8)除以(1.5x2.5x2.4)
=(4.4x2.5x3x2.4x2)除以(1.5x2.5x2.4)
=(4.4x3x2)除以1.5
=(4.4x2x2x1.5)除以1.5
=4.4x2x2
=17.6
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