
0.75x27+3/4x27如何简便计算?
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你好
首先要知道4分之3=3÷4=0.75
简便计算过程如下
0.75×27+3/4×27
=0.75×27+0.75×27
=0.75×(27+27)
=0.75×54
=0.75×(50+4)
=0.75×50+0.75×4
=37.5+3
=40.5
望采纳
首先要知道4分之3=3÷4=0.75
简便计算过程如下
0.75×27+3/4×27
=0.75×27+0.75×27
=0.75×(27+27)
=0.75×54
=0.75×(50+4)
=0.75×50+0.75×4
=37.5+3
=40.5
望采纳
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