99乘32用脱式计算,但不能用简便方式计算,求帮助...

2024-11-24 17:08:27
推荐回答(3个)
回答1:

99×32
=(100-1)×32
=100×32-1×32
=3200-32
=3200-(30+2)
=3200-30-2
=3170-2
=3168

回答2:

99*32
=(100*32)-32
=3200-32
=3168

回答3:

99
x 32
————
198
297
————
3168