4.8*0.32+1.6*0.04简便计算
3个回答
4.8*0.32+1.6*0.04
=1.6×3×0.32+1.6×0.04
=1.6×0.96+1.6×0.04
=1.6×(0.96+0.04)
=1.6×1
=1.6
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