43×54ሢ46×50怎么样算简便?

2025-03-31 22:33:40
推荐回答(1个)
回答1:

简便计算
43×54−46×50
=43×54−(43+3)×50
=43x54-43x50-3x50
=43x(54-50)-150
=43x4-150
=172-150
=22