题目内容
| 3 |
| 5 |
| 5 |
| 6 |
| ( ) |
| ( ) |
| ( ) |
| 30 |
| ( ) |
| ( ) |
分析:根据异分母分数加法的计算方法进行计算.
解答:解:
+
=
+
=
.
| 3 |
| 5 |
| 5 |
| 6 |
| 18 |
| 30 |
| 25 |
| 30 |
| 43 |
| 30 |
点评:异分母分数相加,先通分,然后再按照同分母分数加法的计算方法进行计算.
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题目内容
| 3 |
| 5 |
| 5 |
| 6 |
| ( ) |
| ( ) |
| ( ) |
| 30 |
| ( ) |
| ( ) |
| 3 |
| 5 |
| 5 |
| 6 |
| 18 |
| 30 |
| 25 |
| 30 |
| 43 |
| 30 |