4.42*0.75+6.63*1.5简算
问题描述:
4.42*0.75+6.63*1.5简算
答
4.42*0.75+6.63*1.5
=2.21×1.5+6.63×1.5
=2.21×1.5×(1+3)
=2.21×1.5×4
=2.21×6=13.26