- - . : , , .
, - . . . , . , - , .
( ) , , , - , .
() .
. , , , , , .
( ) .
, .
4 , -2, -25, -40. , 1 ( ) . , . .
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1. 1 (. 4.1). .
4.1
1 | 2 | 3 | 4 | |
1(-2) | ||||
2(-25) | --- | |||
3(-40) | --- | |||
2. . , , (. 4.2)
4. 2
1 | 2 | 3 | 4 | ||
1 | |||||
2 | --- | ||||
3 | --- |
3. , , . 1 3 2 , 2 - . , 1 3 , 2. , .
4. - , , . (. 4.3).
4.3
1 | 2 | 3 | 4 | |
1 | ||||
2 | --- | |||
3 | --- |
5. ( , ) . , , , .
, 1, , (. 4.4).
4.4
1 | 2 | 3 | 4 | |
1 | ||||
2 | _ | |||
3 | _ |
1-2, 3-1, 3-4, 23 - . .
. : 11+15+11+14=51
, , , . . .
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