2, 3, 5, va 11 ga bo‘lganda, qoldiqda chiqadigan eng kichik butun musbat sonni toping

Matematika
9-sinf I variant

1. 2, 3, 5, 7 va 11 ga bo‘lganda, qoldiqda 1 chiqadigan eng kichik butun musbat sonni toping.

A) 211 B) 2311 C) 2113 D) 20113
2. _{ } sonlari uchun _{ } va _{ } munosabat o’rinli bo’lsin. U holda _{ } ning qiymati nechaga teng?
A) _{ } B) _{ } C) 3 D) _{ }

3. Ko‘paytmani hisoblang: _{ }

A) _{ } B) _{ }
C) _{ } D) _{ }

4. bo’lsa, ifodaning qiymatini toping.

A)1 B)2 C)4 D)3

5. _{ } ifodalardan qaysi biri katta?

A) _{ } B) _{ } C) _{ } D) _{ }

6. Soddalashtiring: _{ }

A) _{ } B) 2 C) 1 D) _{ }

7. 
   Nechta butun sonlar juftliklari _{ } tengsizlikni qanoatlantiradi?
   

A) 20000 B)20201 C) 19801 D) 20001

8. Ko‘paytmani hisoblang:

A) 2⁸¹-1 B) 2⁸⁵+1 C) 2⁸⁰+1 D) 2⁸⁰-1

9. _{ } tengsizlikni butun yechimlari yig‘indisini toping.

A) 10 B) 7 C) -2 D) 4

10. Ikki natural sonning eng kichik umumiy karralisi 240 ga teng, shu sonlarning eng katta umumiy bo‘luvchisi esa 16 ga teng. Bu sonlarning ko‘paytmasini toping.

A) 15 B) 3840 C) 256 D) 224

11. Agar _{ } va _{   } kvadrat tenglamaning ildizlari bo‘lsa,

_{ } ni hisoblang.
A) _{ } B) _{ } C) _{ } D) _{ }

12. Tenglamaning ildizlari kvadratlarining yig‘indisini toping:

A) 41 B) 28+4 C) 34 D) 42

13. ifodani soddalashtining.

A) B) C) D)

14. _{ } tenglama ildizlari yig‘indisini toping.

A) 8 B) 7 C) 4 D) -4

15. _{ } tengsizlikni butun yechimlari nechta?

A) 5 B) 4 C) 3 D) 2

16. Ko‘paytuvchilarga ajrating: _{ }

A) (_{ } + x - 1)(_{ } - x + 1992) B) (_{ } + x + 1)(_{ } - x - 1992)
C) (_{ } + x + 1)(_{ } - x + 1992) D) (_{ } - x - 1)(_{ } - x + 1992)

17. Agar _{ } bo‘lsa, _{ } ni qiymatini hisoblang.

A) _{ } B) 10 C) _{ } D) 8

18. _{ } funksiyaning aniqlanish sohasiga tegishli barcha tub sonlar yig‘indisini toping.

A) 50 B) 58 C) 51 D) 53

19. Tengamani eching: _{ } .

A) x = 1947, x = 1950 B) x = 1987, x = 1988
C) x = 1979, x = 2000 D) x = 1987, x = 1989

20. ABC uchburchakda AA₁ va BB₁ kesmalar O nuqtada kesishuvchi medianalardir. BOA₁ uchburchakning yuzi 12. ABA₁B₁ to‘rtburchakning yuzini toping.