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

Matematika
9-sinf III variant

1. _{ } sonlari uchun _{ } va _{ } munosabat o’rinli bo’lsin. U holda _{ } ning qiymati nechaga teng?

A) _{ } B) _{ } C) 3 D) _{ }

2. bo’lsa, ifodaning qiymatini toping.

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

3. Soddalashtiring: _{ }

A) _{ } B) 2 C) 1 D) _{ }
4. Nechta butun sonlar juftliklari _{ } tengsizlikni qanoatlantiradi?
A) 20000 B)20201 C) 19801 D) 20001

5. Ko‘paytmani hisoblang:

A) 2⁸¹-1 B) 2⁸⁵+1 C) 2⁸⁰+1 D) 2⁸⁰-1

6. 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

7. Tenglamaning ildizlari kvadratlarining yig‘indisini toping:

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

8. ifodani soddalashtining.

A) B) C) D)

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

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

10. Ko‘paytuvchilarga ajrating: _{ }

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

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

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

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