38乘46加38乘55减38简便方法

2024-12-31 21:06:40
推荐回答(2个)
回答1:

计算步骤:
=38乘以(46+55-1)
=38乘以100
=3800

回答2:

38×46+38×55-38
=38×(46+55-1)
=38×100
=3800