数学分数的加减法

2024-11-28 22:31:59
推荐回答(1个)
回答1:

先通分,再加减
6又3/4+1/3+2/5
=6又9/12+4/12+2/5
=7又1/12+2/5
=7又5/60+24/60
=7又29/60