2.5×4.4×0.7的简便计算过程
问题描述：
2.5×4.4×0.7的简便计算过程
答
2.5×4.4×0.7
=2.5×4×1.1×0.7
=10×0.77
=7.7
2.5×4.4×0.7的简便计算过程
2.5×4.4×0.7
=2.5×4×1.1×0.7
=10×0.77
=7.7