5/7+1/6等于37/42 6/9+2/3=4/4 1/9+1/7+1/6等于多少在线等?

如题所述

第1个回答  2022-05-11
6/9+2/3=4/3,
1/9+1/7+1/6
=(14+18+21)/126
=53/126.