# ΑΣΚΗΣΕΙΣ ΠΡΩΤΟΥ ΚΕΦΑΛΑΙΟΥ Αλγεβρα Γ Γυμν

• View
19

0

Embed Size (px)

DESCRIPTION

Γ Γυμνασίου

Transcript

• 1

1. :

) =

+

514

324 ) +

+

5

13

2 212

3

2. :

= + +

5

13

2 212

3 = + +

+

1

12

12

13

14

12

1

=3 1

14

212

1

+

=

+

61:

31

21

41

321

3. :: =

212

34

653

32

+

+ =

3 114

212

1

+

=

141

31

651

4. =(-)+(-)+(-) 5. -=3 =--[-2-(-+3)+7-2] 6. = x-2[4x-3(1-4x)]

7. =1 1x+

= +

8. : =(+1).(+)-.(++1)

9. (x+y):z=(x:z)+(y:z) z0 10. :

3.2. = x5:x3= (-2)3.(-2)-4= (-0,2)5.(-0,5)5= -4.(2)-4. 11. :

=2 -2.(-2)4= =(-5)2 : (-5)4= =( )3

3

27

3

=(22)5= =( )223

=[(22)2]2

12. : ( ) =

22

3

2

xyxy

yx

13. x : 9.3-x=9x.27 14. x : 4x=2

15. 652

xy4

y2x

16. x=-2 y=3 : 3x2-y2+2xy3= 17. : 8x4y-1: [(2x3y2).x0] 18. : 103x=104

19. =12 =

+

22244

212

89:23:2:3

• 20. 2

4

23

4

2

x49y9

y3x7

21. : =( )23

7

12

=

( )( )

=

2

-1-1

3 -2z

= ( )( ) =22

32

22. : = 11

20

43

32

8546

23. : =(-3)4-53-(-2)5-[(33-12): 3-8]

24. . = ( )12

18

47 2

3

25. : A=25x+1-3x2+4xx+2 x=-2 26. : =2x-4+2x-3+2x-2+2x-1 x=2 27. :

) 34

61x

61

=

) x:

71

71 2 =

28. : =(-0,25)17.811 =(-4)60.(-1,25)40 =12100.1,550.6-149

29. =0,4 =-2,5 : 5(2)3: (-2: )-2 [(-1)2 : (3.7) -1]2

30. = =6

2123

31. 98 , 162 755 32. = 7518 + 33. = 3312275 + = 34. N : )15(3 + )3523(2

35. N 6

2123

36. : = =++ 49953

37. : 1118 +++

38. :

=

39. = 3312275 + 40. )23)(12()32)(32( ++

41. . 232

323

2

=

42. >0, >0 : ( ) 221 42. : ) =+ 21127252 ) =16,0

• ) =+++ 392826373536 ) =3964

16156

) =645

516 ) =+ 150320453

43. : ) ( ) ( )25152 + ) 1254520 + 44. : ) = 3

336 ) =+ 1503542248

) ( ) ( )=+ 2121 ) =+ 1252455 45.

= =+ 56516 = =+++ 13713 46. : ( ) ( )2x882x4 +=+ 47. -x+(5+x)>3 48. 3