2.64+8.67+1.33-1.64 怎么简便计算?

问题描述:

2.64+8.67+1.33-1.64 怎么简便计算?

8.67+1.33+2.64-1.64=10+1=11.

=(2.64-1.64)+(8.67+1.33)
=1+10
=11

2.64+8.67+1.33-1.64
=2.64-1.64+8.67+1.33
=1+10
=11