= = (1
و = =
2 )
17 63 |
= |
|
-15 36 |
= |
|
3)
17 105 |
= |
|
-9 45 |
= |
|
363 -825 |
= |
|
4)
-2 25 |
= |
|
4 15 |
= |
|
5 12 |
= |
|
-1 10 |
= |
|