Ahadiy tehran

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  • 1.

2. : : : 18 3. . . ( ) m n . . ! 4. . . . . . 5. . . 6. 1- 7500 6 500 8 2 1 . . = = 7 = =6 7. 500 . 6 1 1 6 7 8. 2- 10 1 . 12 1 . 2 = =12 = =10 9. 2 12 10 1 10 2 10. 3- ( ) . 25 . . A B O AB 11. A B AB O = =25 = = 425 12. 7 25 4 24 1 6 13. 4- 7 . . . . 14. = = 7 = =2 4 . 15. : = = 4 = = 3 2 . 16. 5- . . 3 . . 17. 32 3 10 30 2 2 1 0 = = = 3 32 25 60 44 8 1 25 24 3 32 3 10 30 32 10 30 30 32 3 10 30 2 8 60 3 20 0 60 42 44 3 14 42 2 18. 2 3 . 19. 6- . . 2 4 .9 20. 2 4 :8=2 x 4= = 9 = =8 . 21. 7- . . . 22. : 0 1 2 3 .....1- n .n 0 1 2 ... 1- n (( (1- n ) )) 0 1- n . 1- n n-1 0 1 23. n (2< (n = =n = =1-n . . 24. 8- 322 1 , 2 , 5 , 6 . 25. 1 2 5 6 . = = ( ) 3 . . 26. 9- 21 . 5 . . 27. A B . :A-B4 ( ) A-B 4 9 13 14 17 18 19 ( ) A-B 4 (( 20)) 28.

  • = = 21
  • = =20
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29. 10- . 7 20 . . . 20 . 30. = = 7 = 20 = 6 A B 31. 2 . 2 A B A B . A B . 20 A B 20 . 32. 11- 10 . 3 5/1 . . 33. = =10 A B C = 1 =9 34. 2 .2A , B ABC . : . 35. 12- . , 6 . 2 . . 10 . 36. = =10 A B = 2 =9 37. 2 . 2 A B .A B . A B . , 2 . A B 2 . 38. 13- . 5 . ( 40 ) . 20 . 39. = =50 D F E C A B = 20 =4 40. 2 .2 A , B ABC . : . 41. 14- . . . 30 , 40 5 . . . 25 . 42. = =5 A B C = 15 20 =4 43. 2 .2 A , B ABC . : . 44. 15- , 5 . 300 . 420 . . 45. A C B = =5 = 90 =4 46. 2 .2 A , B ABC . : DE D E 47. 16- . 4 8 x 8 . . . . . 48. = =8 = =7 49. . . 50. = =7 = =8 51. . . 52. 17- . = = . 4 . 53. 18- 33 .

  • 32
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54. = = 33 = = 32 55. = = =1219- . 3 : ........................................................................... 56. 13 . 25=13+12 3 . 25 . 57. 20- 1 2 3 ... 6 . = = =6 . 7 . 58.