题目内容
|
分析:根据异分母分数大小比较的方法:先通分,再根据同分母分数大小比较的方法进行比较.
解答:解:(1)
=
,所以
>
.
(2)
=
,
=
,所以
>
.
(3)
=
,所以
<
.
(4)
=
,
=
,所以
<
.
(5)
=
,
=
,所以
>
.
(6)
=
,所以
=
.
故答案为:>,>,<,<,>,=.
| 21 |
| 13 |
| 42 |
| 26 |
| 21 |
| 13 |
| 24 |
| 26 |
(2)
| 8 |
| 9 |
| 56 |
| 63 |
| 4 |
| 7 |
| 36 |
| 63 |
| 8 |
| 9 |
| 4 |
| 7 |
(3)
| 1 |
| 3 |
| 3 |
| 9 |
| 1 |
| 3 |
| 4 |
| 9 |
(4)
| 5 |
| 7 |
| 25 |
| 35 |
| 4 |
| 5 |
| 28 |
| 35 |
| 25 |
| 35 |
| 28 |
| 35 |
(5)
| 8 |
| 5 |
| 88 |
| 55 |
| 16 |
| 11 |
| 80 |
| 55 |
| 8 |
| 5 |
| 16 |
| 11 |
(6)
| 5 |
| 6 |
| 25 |
| 30 |
| 5 |
| 6 |
| 25 |
| 30 |
故答案为:>,>,<,<,>,=.
点评:本题主要考查了学生对分数大小比较方法的掌握情况.
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