5.5*1.7+2.3*5.5简算
问题描述:
5.5*1.7+2.3*5.5简算
答
原式=5.5x(1.7+2.3)
=5.5x4
=22
5.5*1.7+2.3*5.5简算
原式=5.5x(1.7+2.3)
=5.5x4
=22