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
答
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