通分:3/51和2/17 5/12和7/18约分:13/169 35/140 24/48

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/09 12:05:45
通分:3/51和2/17 5/12和7/18约分:13/169 35/140 24/48

通分:3/51和2/17 5/12和7/18约分:13/169 35/140 24/48
通分:3/51和2/17 5/12和7/18约分:13/169 35/140 24/48

通分:3/51和2/17 5/12和7/18约分:13/169 35/140 24/48
3/51和2/17 3/51,6/51
5/12和7/18 15/36,14/35
13/169 =1/13
35/140 =1/4
24/48=1/2