69x23+35x69+69x44_2×69简便计算怎么算?

2025-03-23 06:25:22
推荐回答(2个)
回答1:

简便计算
69x23+35x69+69x44-2×69
=69x(23+35+44-2)
=69x100
=6900

回答2:

简便计算过程方法如下
解:69x23+35x69+69x44-2×69
=69x(23+35+44-2)
=69x100
=6900