38乘33简便计算方法

38乘33简便计算方法
2024-11-27 04:02:12
推荐回答(4个)
回答1:

38×33
=(40-2)×33
=40×33-2×33
=1320-66
=1254

回答2:

38X33
=40X33-2X33
=1320-66
=1320-100+34
=1254

回答3:

38×33
=38×(30+3)
=38×30+38×3
=1140+114
=1254

回答4:

38*30+38*3
=1140+114
=1254