3又4分之3+2又10分之3+15分之7等于几

2025-12-18 01:16:18
推荐回答(2个)
回答1:

回答2:

答:依题意可知
3又3/4+2又3/10+7/15
=3又45/60+2又18/60+28/60
=5又63/60+28/60
=5又91/60
=6又31/60