①
| ②x÷
| ③
|
| 2 |
| 3 |
| 5 |
| 6 |
| 2 |
| 3 |
| 2 |
| 3 |
| 5 |
| 6 |
| 2 |
| 3 |
x=1
| 1 |
| 4 |
②x÷
| 4 |
| 5 |
| 15 |
| 28 |
x÷
| 4 |
| 5 |
| 4 |
| 5 |
| 15 |
| 28 |
| 4 |
| 5 |
x=
| 3 |
| 7 |
③
| 1 |
| 2 |
| 1 |
| 3 |
| 5 |
| 6 |
| 5 |
| 6 |
| 5 |
| 6 |
| 5 |
| 6 |
x=1
| 1 |
| 5 |
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