| 5 () | , . |
| 4 () | 3 2 . |
| 3 () | 2 . |
| 2 () | , , . |
1.
1. ?
2. 
, 
.
3. , 
, 
2.
1. ?
2. , 
.
3. , BCD, A(0; 0; 1), B(2; 3; 5), C(6; 2; 3), D(3; 7; 2).
3.
1. ?
2. (3 - 2 )×(5 - 6 ), 
3. 
.
4.
1. ?
2. 
, 
3. , (5; 7; 2), B(3; 1; -1), C(9; 4; -4), D(1; 5; 0) .
E 3
1. : : . .
3 .
30 .
| 5 () | , . |
| 4 () | 3 2 . |
| 3 () | 2 . |
| 2 () | , , . |
1.
1. ?
2. , (1, 2) 
(3, -1).
3. , , : 
2.
1. ?
2. , (1, 2) (3, 4).
3. , F1(0; 0), F2(1; 1),
3.
1. ?
2. (1, -1) (1, 2).
3. 2 = 8 , 4.
4.
1. .
2. + 1 = 0. .
3. , 2, 
E 4
|
|
|
1. : : . .
5 .
45 .
