17/1*6/5+9/5*17/4+18/5+17/6

问题描述:

17/1*6/5+9/5*17/4+18/5+17/6
如题

17/1*6/5+9/5*17/4+18/5+17/6
=102/5+153/20+18/5+17/6
=633/20+17/6
=2069/60
=34又29/60