乘法分配律32×25-25?

2025-04-03 19:44:01
推荐回答(2个)
回答1:

32×25-25
=32×25-1×25
=(32-1)×25
=31×25
=775

回答2:

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