4.5×1.1×0.2简便计算
问题描述:
4.5×1.1×0.2简便计算
答
=4.5×0.2×1.1
=0.9×1.1
=0.99
4.5×1.1×0.2简便计算
=4.5×0.2×1.1
=0.9×1.1
=0.99