题目内容
在横线里填写“>”、“<”或“=”.
;
;4
.
| 3 |
| 7 |
<
<
| 5 |
| 8 |
| 7 |
| 10 |
>
>
| 11 |
| 25 |
| 1 |
| 2 |
>
>
| 13 |
| 3 |
分析:先通分,再比较大小.据此解答.
解答:解:(1)
=
,
=
,因
<
,所以
<
.
(2)
=
,
=
,因
>
,所以
>
.
(3)4
=
,
=
,因
>
,所以4
>
.
故答案为:<,>,>.
| 3 |
| 7 |
| 24 |
| 56 |
| 5 |
| 8 |
| 35 |
| 56 |
| 24 |
| 56 |
| 35 |
| 56 |
| 3 |
| 7 |
| 5 |
| 8 |
(2)
| 7 |
| 10 |
| 35 |
| 50 |
| 11 |
| 25 |
| 22 |
| 50 |
| 35 |
| 50 |
| 22 |
| 50 |
| 7 |
| 10 |
| 11 |
| 25 |
(3)4
| 1 |
| 2 |
| 27 |
| 6 |
| 13 |
| 3 |
| 26 |
| 6 |
| 27 |
| 6 |
| 26 |
| 6 |
| 1 |
| 2 |
| 13 |
| 3 |
故答案为:<,>,>.
点评:本题的关键是先通分,再比较大小.
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