题目内容
| 19999 |
| 99995 |
| 2 |
| 3 |
分析：因为
=
，然后把带分数化成假分数，约分计算．
| 19999 |
| 99995 |
| 1 |
| 5 |
解答：解：
×1
，
=
×
=
．
| 19999 |
| 99995 |
| 2 |
| 3 |
=
| 1 |
| 5 |
| 5 |
| 3 |
=
| 1 |
| 3 |
点评：解答此题，注意化简分数，通过与分，即可解决．
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题目内容
| 19999 |
| 99995 |
| 2 |
| 3 |
| 19999 |
| 99995 |
| 1 |
| 5 |
| 19999 |
| 99995 |
| 2 |
| 3 |
| 1 |
| 5 |
| 5 |
| 3 |
| 1 |
| 3 |