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1 annakorfibe@hotmail.com

3.

1. (x,y). =

, xx :

2. ,

3. y ax b xx = .

xx . , xx

4.

2 2

2

2

1

11

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2 annakorfibe@hotmail.com

3.1

0 180

30 30

30 30 180 30 150

=, ""

3

2

1

2

2 2 0

2

2 1 0

3 2 3

(2

2)( 1) 0

2 1

22 2 4

0

5 452

3.2- 4 /9

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3 annakorfibe@hotmail.com

3.3

) 22x (4 2)x 2 2 0

) , 0 180 22 (4 2) 2 2 0

)

222 2

22

2

4 (4 2) 4 2 2 2 4 2 4 2 2 4 2 2 2

4 2 (2 4 4 2 2) 2

4

2 2

8 2 2 4 2

2

1,2

4 2 4 2 2 2 2

4 4 24 2 4 2 4 2 4 2x

2 2 2 44 2 4 2 8

24 4

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4 annakorfibe@hotmail.com

) ) , x .

12

x2

2x 2

, 0 180 0 1 2

2

452

3.4

, 0 180

2 23 0

2 21 , 2 2 1

2 2 2 2 2 2 23 0 3 1 0 3 1 0 4 1

2

2 24 1 14 14 4 4

1

4

1

4

1

4 , 0 180 0 1

1 1 1

4 24 30 150

3

303

3

302

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3

3(180 30 ) 150

2

3.5

) 1

3

) 2

:

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5 annakorfibe@hotmail.com

3.6

2x 5 6x , 0 180

x 2 ,

2x 6x 5 0

x 2 2( 2) 6 ( 2) 5 0 4 12 5 0 3 0 3

3 3 3

2 2 2 2 1 (3) 1

2 2 2 2 19 1 10 1 10

1

10

, =3, ,

1 10

1010

:

2

2 2 210 10 100 10 1 1 10 100 100

2 290 9 3 3 10

100 10 1010

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6 annakorfibe@hotmail.com

3.7 -3.

x 2 ,

) . ) 1 (1,-3)

) y ax

x 2 ,

-2. (-2,y) y 2( 3) 6

(-2,6)

y y2 y ( 2)( 3) 6

x 3

) 1 -2 (1,-3) y 2x b ( 3) 2 1 b b 2 3 b 1

1 y 2x 1

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7 annakorfibe@hotmail.com

3.8 / 1 6

.

13

56

.

13 1356 56 13

56

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8 annakorfibe@hotmail.com

4. -

)

: ( 244 )

4.1 /1 249

) x 4

30 45

x 4 2 42x

1 2 22 2

2

2 4 2 4 22x 2x 4 2 x 2 2

22

) x 15

45 120

120 . 3

120 (180 60 ) 602

x 15

2 3

2 2

x 15 2x 2 15

2 3 2 3

2 2

x

2x 2 15 2x 2 2 15 3 2 5 3 2 5 3 22x 2 5 3 x 5 6

2 3 22 3 2

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9 annakorfibe@hotmail.com

) ! .

x: o o o o180 75 45 60

o o

x 8 x 8 2x 2 8 2x 3 2 8 2

60 45 3 23 2 3 2

2 2

2 3 8 2 3 8 2 12 2 12 2 3x 8 2 x 4 6

3 32 3 2 3 3

3

4.2/ 6 . 249 :

- =12, =6, oB 60 . ; : - , . ;

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12 6 12 12

3 3

2

3 !!!

! !! 4.3

5cm, 45 , 10cm ;

, . , . !

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10 annakorfibe@hotmail.com

4.4/ 2 . 249

) 8 4 8 4 8

8 x 11x 30 x x2

ox 90

)5 5 3 5 5 3 5 5 3 5 10 3 5

10x 120 x (180 60 ) x x x3 3

2

110 x 5 x

2 ox 30 ox 150 ,

, .

) x 1 ox 90

4.5 / 3 249

) 2 2

30

2 2 2 2 2 2 22 2 2

1 1 22 22

. , 1 = 45 = 180 -30 -45 =105 2 =180 45 =135 = 15

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11 annakorfibe@hotmail.com

)2 3 2 3 2 2

260 23

2

1 = 45 = 180 -60 -45 =75 2 =135 ! 135 60 195 , . 1 . )

:

2 2 2

2 2 2

2 2 2

2

2

2

:

2 2 2

2 2 2

2

2

2 2 2

2

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12 annakorfibe@hotmail.com

1,2,3 247 , 4.6

4.7

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13 annakorfibe@hotmail.com

4.8

4.9/ 9 250

)

2

2 2

2

2

x 3 2 7 2 3 2 7 45

2x 9 2 49 42 2 18 49 42

2

x 25 x 5 x 5

)

2 2 22 2 2 2 2 2 2 2

2

2 2 25 3 7 25 9 49 15 1

x2 5 3 30 30 2

o o ox 180 60 120 : . . ) 2 )90

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4.10 / 2 3

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15 annakorfibe@hotmail.com

4.5 4.11 120 , 60 120

2 2

2 2 2

2

1ZH ZO OH 2 ZO OH120 3 3 2 3 3

2

2ZH 3 3

2

2

3 9 ZH 3

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