1.2*【10.3-（6.2+2.6）】怎样简算
问题描述：
1.2*【10.3-（6.2+2.6）】怎样简算
答
1.2×[10.3-(6.2+2.6)]
=1.2×(10.3-8.8)
=1.2×1.5
=6×0.2×1.5
=6×0.3
=1.8