1-
1.
1. . , .
2. . . .
3. . .
4. , .
5. . . .
6. . . .
7. . . .
8. .
9. , , .
10. . .
2. .
1. (1,2) 2-5+1=0
2. 3-+2=0 -2+4-3=0
3. , 6+4-3=0 (-3,2)
4. 0,5. , (3,2)
5. , (-1,-2) (0,3)
6.
X^2+3Y^2+4X-6Y+1=0 , .
7. X^2+Y^2=3 Y=-X+B, ,
8. (X^2)/4-(Y^2)/2=1. , 4Y-2X+1=0.
9. 3X^2+2X-4Y+1=0, .
10. 3X^2+ Y^2 + 2X-4=0.
. .
3. . ,
. .
) 4
) 3 -
) ) )
1. 3x-2y+5z=1
x+4y+2z=-2
-3x-y+5z=6
2. 6x-2y+4z=3
2x+5y+2z=-1
2x+4y+z=2
3. 3x-5y+2z=6
2x+4y-2z=2
4x-y+3z=2
4. +2y-4z=-1
-4x+5y+2z=10
2x-4y+3z=5
5. -2x+2y+6z=2
2x+-y+4z=3
-3x+5y+3z=6
6. 2x-2y-3z=2
2x+5y-8z=3
5x+4y+2z=2
7. 4x+5y+2z=4
x-2y+3z=2
2x-3y+3z=4
8. 2x-2y+4z=5
x++3y+2z=3
-2x+4y+3z=6
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9. +4y-3z=3
3x+y-8z=4
4x+4y-3z=2
10. x-2y+2z=2
2x-2y-3z=3
3x-2y+3z=4
4. .
1. , ,
1-22 < 6
41-52 > -2
21+2 < 10
21 > 7
=3+, .
2. , ,
21-22 < 5
1+0,52 < 10
2 < 3
21+X2 > 7
=-4+, .
3. , ,
31-22 > 3
21+12 < 8
0,51+ 2 > 5
=-+, .
4. , ,
1 + 2 > 2
21-1,52 < -7
0,5X1+2 < 5
1 < 4
=-3+, .
5. , ,
21 + 22 > 5
41 +X2 < 15
0,51+2 < 3
1 > 2
=0,5+, .
6. , ,
51-22 > - 6
31+ 2 < 10
1,5X1+2 > 3
=-2+, .
7. , ,
-21+22 < 3
31+ 2 > 6
21+ 2 > 10
1 < 4
=-4+, .
8. , ,
-31 + 2 < -3
21 + 2 > 4
0,5X1+ 2 > 5
1,51 + X2 < 7
=4+, .
9. , ,
-21+ 1,52 < -3
21+ 2 > 1
1,51+ 2 < 8
-31 + X2 > 3
=-5+, .
10. , ,
31 22 < 3
21 - 2 > -4
2X1 + 2 < 6
31 + X2 > 4
=+, .
( ) .
> 10, 10, , 1 10. 1 10, . , 10. .
+, +2, 4- +3. 10 10.
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, 83, 10 . 3, 8. 3, 3+8=11 10 1, 3+2*8=19 10 9, 3+3*8=27 20 7.