1. tenglamalar sistemasida y ni toping

I-variant

1. tenglamalar sistemasida y ni toping.

2.

3. Tenglamni yeching

4. 3 ta shkafda 328 ta kitob bor. Birinchi shkafda ikkinchisiga qaraganda 17 ta kam ammo ikkinchisiga qaraganda 10 ta ko’p kitob bor . birinchi shkafda nechta kitob bor.

A. 106 B. 107 C. 108 D. 110

5. (1;1) va (5;4) nuqtalardan o’tuvchi to’g’ri chiziq tenglamasini tuzing.

6. a³b⁴c³ ifodani son qiymatini toping. a=-1; b=2; c=-2

7. ifodani soddalashtiring.

8. 312 va 12 sonlarining umumiy bo’luvchilari nechta.

9. sonlariga bo’linganda bo’linma butun son chiqadigan eng kichik natural sonni toping.

10. + − ni hisoblang.

1. 
   540 B) 340 C) 660 D) 1340
   

11. −5 qarama qarshi sonni toping.
12. Agar 0 < q < p < k bo‘lsa,

|p + q| + |k − q| − |k − p| ni soddalashtiring.

A) 2p B) 2p + 2q − 2k C) 2q D) 2p + 2k
13.

tenglamani yeching.

14. Hisoblang.

A) 1776 B) 1665 C) 2220 D) 2775

15. tenglamani yeching


16. Tengsizlikni yeching:

| x -1 | > 2.

17. tengsizliklar sistemasi nechta butun yechimga ega?
18. soddalashtiring
19. yig’indining qismini toping.
20. Ikki sonning ayirmasi 3 ga, ularning

ko`paytmasi 28 ga teng. Shu sonlarni toping