用简便方法计算47*65+34*47+47

用简便方法计算47*65+34*47+47
2024-11-02 16:41:53
推荐回答(2个)
回答1:

47*65+34*47+47
=47*(65+34+1)
=47*100
=4700

回答2:

47*65+34*47+47
=47×(65+34+1)
=47×100
=4700