脱式计算. 4.6×3/4+0.75×2/5+5+75%

问题描述:

脱式计算. 4.6×3/4+0.75×2/5+5+75%

4.6×3/4+0.75×2/5+5×75%
=0.75×(4.6+0.4+5)
=0.75×10
=7.5;
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