2.5x16简便计算？

Question

如题所述

Answer 1

2.5×16
=2.5×4×4
=10×4
=40

Answer 2

原式=2.5x4x4
=10x4
=40本回答被网友采纳

Answer 3

2.5×16=2.5×（10+6）这样算比较简便。