40Ⅹ51十51X44的简便方法?

2025-02-23 20:39:19
推荐回答(2个)
回答1:

简便计算过程方法如下
解:40Ⅹ51十51X44
=(40+44)×51
=88×51
=88×(50+1)
=88×50+88×1
=4040+88
=4128

回答2:

40X51+51X44
=(40+44)X51
=88X51
=4488