2.9×6.7+6.7×8.1-6.7怎样简便计算?

2024-12-14 04:14:52
推荐回答(2个)
回答1:

简便计算过程方法如下
解:2.9×6.7+6.7×8.1-6.7
=(2.9+8.1-1)x6.7
=10x6.7
=67

回答2:

简便计算
2.9×6.7+6.7×8.1-6.7
=(2.9+8.1-1)x6.7
=10x6.7
=67