§. Natural va butun sonlar

13. ni soddalashtiring
14. ni soddalashtiring

(A) 1 B) 0 C) D)

15. ni soddalashtiring.

A) x+y+z B)x+y-z C)0 D)1

16. ni soddalashtiring.

A)1 B) C) D)

17. Agar a- 3 = x+4y bo’lsa, ax + 3x + 4ay + 12y + 9 ifodaning qiymatini toping.

A) x² B) y² C)a² D)2a²

18. ifodaning x = 6bo’lgandagiqiymatini toping.

A) 3 B)2 C)1,5 D)1,25

19. ifodaning x = 10 bo’lgandagiqiymatini toping.

A) 13/9 B) 7/5 C) 15/11 D) 4/3

20. ifodani x=1 bo’lgandagiqiymatini toping.

A)1 B)0,5 C)2 D)3

21.ifodanisoddalashtiring.

A)1 B)x C) x²⁰¹⁸D) x²⁰¹⁹

22. ifodanisoddalashtiring.