乘法分配律32×25-25？

Question

如题所述

Answer 1

32×25-25
＝32×25-1×25
＝（32-1）×25
＝31×25
＝775本回答被网友采纳

Answer 2

32Ⅹ25-25
＝4X8x25-25
＝4x200-25
＝800-25
＝775