题干
先通分，再比较每组分数大小
和
=
=
>
| 5 |
| 6 |
| 6 |
| 7 |
| 5 |
| 6 |
| ( |
| ) |
| ( |
| ) |
| 6 |
| 7 |
| ( |
| ) |
| ( |
| ) |
| ( |
| ) |
| ( |
| ) |
| ( |
| ) |
| ( |
| ) |
答案(点此获取答案解析）
解：
=
，
| 5 |
| 6 |
