题目内容
(2011?东莞模拟)
>
| 6 |
| 7 |
| 8 |
| 9 |
×
×
.分析:先通分,再比较大小.据此解答.
解答:解:
=
,
=
,
<
,所以
<
.
故答案为:×.
| 6 |
| 7 |
| 54 |
| 63 |
| 8 |
| 9 |
| 56 |
| 63 |
| 54 |
| 63 |
| 56 |
| 63 |
| 6 |
| 7 |
| 8 |
| 9 |
故答案为:×.
点评:本题的关键是先通分,再比较大小.
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| 54 |
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