题目内容
| 11 |
| 15 |
| 3 |
| 15 |
| 14 |
| 15 |
| 14 |
| 15 |
分析:根据同分母分数加减法的计算法则求解即可.
解答:解:
+
=
=
.
故答案为:
.
| 11 |
| 15 |
| 3 |
| 15 |
| 11+3 |
| 15 |
| 14 |
| 15 |
故答案为:
| 14 |
| 15 |
点评:同分母分数相减,分母不变,分子相加减.
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题目内容
| 11 |
| 15 |
| 3 |
| 15 |
| 14 |
| 15 |
| 14 |
| 15 |
| 11 |
| 15 |
| 3 |
| 15 |
| 11+3 |
| 15 |
| 14 |
| 15 |
| 14 |
| 15 |