7-sinf matematika I variant

6. Tenglamani yeching. 3(x-2) – 9x = 0
A. 1 B. -1 C. - D. 0

7. Soatning soat mili 30 minutda necha gradusga buriladi?
A) 180⁰ B) 15⁰ C) 60⁰ D) 30⁰

8. Uchta to’g’ri chiziq tekislikni ko’pi bilan nechta qismga ajratishi mumkin?
A) 4 B) 5 C) 6 D) 7

9. AB=6, C € AB, AC = 3 BC, BC=?
A) 1 B) 4,5 C) 2 D) 1,5

10. Tenglamani yeching: 12x+3(x-2)=9
A. x=3 ; B. x=6; C. x=1; D. x=5;

11. Ikkita nuqta orqali nechta to’g’ri chiziq o’tkazish mumkin ?
A. 3 ta. B. 2 ta. C. faqat 1 ta. D. cheksiz ko’p

12. Kasrni qisqartiring:
A. B. C. D.

13.Umumiy ko’paytuvchini aniqlang: 8-4b
A. 2 B. 8 C. 4b D. 4
14. 120⁰ li burchak qanday burchak?
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15.Qo’shni burchaklardan biri 63⁰ bo’lsa, ikkinchi burchakni toping?
A)127⁰ B)117⁰ C)297⁰ D)270⁰
16.To’rtburchakning nechta diogonali mavjud?
A)4 ta B) 3 ta C) 2 ta D) 1 ta
17. 170⁰ li burchak qanday burchak?
A)o’tkir burchak B)o’tmas burchak C)yoyiq burchak D)to’g’ri burchak
18.Vertikal burchaklardan biri 35⁰ bo’lsa, qolganlarini toping?
A)145⁰; 35⁰; 145⁰ B) 145⁰; 145⁰ C) 35⁰; 145⁰ D) 35⁰; 145⁰; 35⁰
19.Siniq chiziq tomonlari 2,5; 7,5; 5; 3 sm ga teng bo’lsa p=?
A)18 sm B) 15 sm C) 13 sm D) -18 sm
20.Eng sodda ko’pburcahk bu-……………..?
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21. Yig’indini ko’paytma shaklida yozing: c+c+c=?