题目内容
| 5 |
| 8 |
| 2 |
| 8 |
| 3 |
| 8 |
| 3 |
| 8 |
5
5
个| 1 |
| 8 |
2
2
个| 1 |
| 8 |
3
3
个| 1 |
| 8 |
| ( ) |
| ( ) |
分析:利用同分母分数加减法法则计算即可.
解答:解:5个
减2个
,剩3个
,就是
.
故答案为:5,2,3,
.
| 1 |
| 8 |
| 1 |
| 8 |
| 1 |
| 8 |
| 3 |
| 8 |
故答案为:5,2,3,
| 3 |
| 8 |
点评:此题考查分数加减法的计算方法,注意1的转化.
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题目内容
| 5 |
| 8 |
| 2 |
| 8 |
| 3 |
| 8 |
| 3 |
| 8 |
| 1 |
| 8 |
| 1 |
| 8 |
| 1 |
| 8 |
| ( ) |
| ( ) |
| 1 |
| 8 |
| 1 |
| 8 |
| 1 |
| 8 |
| 3 |
| 8 |
| 3 |
| 8 |