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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

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.

, 83, 10 . 3, 8. 3, 3+8=11 10 1, 3+2*8=19 10 9, 3+3*8=27 20 7.

 

 



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