题目内容
写出两个分母不同的分数(分母不大于12),使它们的和等于
.
+
=
+
=
.
| 13 |
| 24 |
| 1 |
| 8 |
| 1 |
| 8 |
| 5 |
| 12 |
| 5 |
| 12 |
| 13 |
| 24 |
| 1 |
| 6 |
| 1 |
| 6 |
| 3 |
| 8 |
| 3 |
| 8 |
| 13 |
| 24 |
分析:根据题意,因为
=
+
=
+
,然后再约分,进一步解答.
| 13 |
| 24 |
| 3 |
| 24 |
| 10 |
| 24 |
| 4 |
| 24 |
| 9 |
| 24 |
解答:解:
+
=
+
;
=
+
=
+
.
故答案为:
,
,
,
.
| 3 |
| 24 |
| 10 |
| 24 |
| 1 |
| 8 |
| 5 |
| 12 |
| 13 |
| 24 |
| 4 |
| 24 |
| 9 |
| 24 |
| 1 |
| 6 |
| 3 |
| 8 |
故答案为:
| 1 |
| 8 |
| 5 |
| 12 |
| 1 |
| 6 |
| 3 |
| 8 |
点评:关键是把分子拆成两个数的和,并且这两个数都和分母有共同因数,然后再进行约分,进一步解答.
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