120×32怎么简便计算?

数学类型
2025-04-13 18:20:59
推荐回答(5个)
回答1:

120X32=(100+20)X(30+2)=100X30+100X2+20X30+20X2=3000+200+600+40=3840

回答2:

6×8×4×20

回答3:

120*32
=120*30+120*2
=3600+240
=3840

回答4:

120x32
=(100x32)+(2x32x10)
=3200+640
=3840

回答5:

120*32
=<30+2>*120
=30*120+2*120
=3600+240
=3840