2.5×4.4×0.7 简便怎么算
问题描述：
2.5×4.4×0.7 简便怎么算
答
2.5×4×1.1×0.7
=10×0.77
=7.7
2.5×4.4×0.7 简便怎么算
2.5×4×1.1×0.7
=10×0.77
=7.7