简便计算;(6又8分之3+1又8分之1)×4.8-13又7分之6

问题描述:

简便计算;(6又8分之3+1又8分之1)×4.8-13又7分之6

(6又8分之3+1又8分之1)×4.8-13又7分之6
=(51/8+9/8)*24/5-97/7
=60/8*24/5-97/7
=36-97/7
=252/7-97/7
=155/7