| 3 |
| 3 |
| x2 |
| a2 |
| y2 |
| b2 |
| 3 |
| 3 |
| 3 |
| 3 |
| x2 |
| 4 |
| y2 |
| 3 |
| 1 |
| 4 |
| t2 |
| 3 |
| 3 |
| 2 |
| 3 |
| 2 |
y1-
| ||
| x1-1 |
| x1+m-3 |
| 2x1-2 |
y2-
| ||
| x2-1 |
| x2+m-3 |
| 2x2-2 |
|
| m |
| 2 |
| m2-12 |
| 4 |
| (x1+m-3)(x2-1)+(x2+m-3)(x1-1) |
| 2(x1-1)(x2-1) |
| 2x1x2+(m-4)(x1+x2)-2(m-3) |
| 2(x1-1)(x2-1) |
| ||||
| 2(x1-1)(x2-1) |
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