ni soddalashtiring. A −4 b 4x c −2x d ni soddalashtiring. A b c d 3

1. ni soddalashtiring.
A) −4 B) 4x C) −2x D) 0
2. ni soddalashtiring.
A) B) C) D)
3. ni soddalashtiring.a
A) B) C) D)
4. va sonlari orasida maxraji 30 ga teng bo’lgan nechta kasr mavjud? A) 1 B) 2 C) 4 D) 5
5. ni soddalashtiring.
A) m+12 B) 4+m C) m-2 D) E) 4
6 Qo’shni burchaklardan biri ikkinchisidan 16 katta. Shu qo’shni burchaklarni toping.
A) 16; 164 B) 80; 96 C) 148; 32 D) 82;98
7. Ko’paytuvchilarga ajrating: 16
A) (4a-9)(4a+9) B) (4a-3)(4a+3) C)(4ab-9)(4ab+9)
D) (2ab-9)(2ab+9)
8. Soddalashtiring:
A) B) C) D)
9. ni hisoblang.
A) B) C) D)
10. Hisoblang: A) 3 B) C) D) 1
11. Tenglamani yeching: 4(2x-1)+ 3(1-2x)=7
A) 4 B) 2 C) 0,5 D) -2
12. ifodani qiymatini toping.
A) 1 B) 1,6 C) D) 1
13. Sodalashtiring:
A) B) C) D)


14. Agar a=6+ va b=6- bo’lsa, ni qiymatini toping.
A)198 B)144 C)169 D)196
15. ni soddalashtiring.
A) B) C) D)
16. Hisoblang:
A) B) C) D)
17. ni soddalashtiring.
A) B) C) D)
18. Hisoblang:
A) B) 1 C) D)
19. Bronza tayyorlash uchun 17 qism mis, 2 qism rux va bir qism qalayi olinadi. 400 kg bronza olish uchun yuqoridagi metallarning har biridan qanchadan olish kerak?
A) 320; 60; 20 B) 340; 40; 20 C) 300; 60; 40 D) 250; 120;30
20. 5ac-6bd+5ad-6bc ni ko’paytuvchilarga ajrating.
A) (5a-6b)(c+d) B) (c-d)(5a-b) C) (5a+6b)(d-c) D) (5a-6)(c-d)
21. Bir son ikkinchisidan 15 ga kichik. Bu sonlarning o‘rta arifmetigi 13,5 ga teng. Shu sonlardan kichigini toping.
A) 3 B) 6 C) 4 D) 7
22. ni hisoblang. A) -20 B) 20 C) 200 D) -200