用乘法分配律,用脱式,括号125乘以25括回乘以80等于多少?

2024-11-25 19:56:44
推荐回答(2个)
回答1:

简便计算
(125x25)x80
=(125x80)x25
=10000x25
=250000

回答2:

原式
=(125x80)x25
=10000x25
=250000