1.2×(0.75+1.5)+4.6 怎么简算
问题描述:
1.2×(0.75+1.5)+4.6 怎么简算
答
1.2×(0.75+1.5)+4.6
=1.2×3/4+1.2×1.5+4.6
=0.9+1.8+4.6
=7.3