题目内容
| 1 |
| 2 |
| 1 |
| ( ) |
| 1 |
| ( ) |
| 1 |
| ( ) |
分析:根据分数的基本性质,
=
;再利用分数的拆项法,
=
+
,
=
+
;据此解答即可.
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| 2 |
| 10 |
| 20 |
| 10 |
| 20 |
| 1 |
| 20 |
| 9 |
| 20 |
| 9 |
| 20 |
| 1 |
| 4 |
| 1 |
| 5 |
解答:解:
=
+
+
;
故答案为:4,5,20.
| 1 |
| 2 |
| 1 |
| 4 |
| 1 |
| 5 |
| 1 |
| 20 |
故答案为:4,5,20.
点评:此题的解答主要根据分数的基本性质和分数的拆项法进行解答.
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