9+8-7*6/5+4-3*2 巧算

问题描述:

9+8-7*6/5+4-3*2 巧算

9+8-7*6/5+4-3*2
=9+8+4-6-7*6/5
=9+4-6+8-7*6/5
=7-2/5
=6+1-2/5
=5又5分之3