Oralig`idagi sonlar uchun ga bo`linadigan, lekin ga bo`linmaydigan sonlar nechta?


Download 42.91 Kb.
Sana06.04.2022
Hajmi42.91 Kb.
#626435
Bog'liq
M.TEST7
200, 14-m, 67cccf6d-174d-4719-9037-b540292de952 (1), M.TEST3, M.TEST4, M.TEST6, Titul ORG, 5 направлений ГРАФЕНА, 2 5364217632180409991, СПРАВКА МЕДИЦИНСКОГО ОСМОТРА, Esabat 39, ICPC, Axborot xavfsizligini ta’minlash, bestreferat-141379

1. oralig`idagi sonlar uchun 2 ga bo`linadigan, lekin 3 ga bo`linmaydigan sonlar nechta?
A) 16 B) 17 C) 31 D) 33 E) 35
va munosabatlar o`rinli bo`lsa, ning qiymatini toping?
A) B) C) D) E)
3. tenglamani yeching.
A) 22,5 B) -3,25 C) 3,85 D) 8,85 E) -0,31
4. bo`lsa 2a-b=?
A) 1 B) 9 C) 2 D) 7 E) 5
5. Ikki xonali sondan shu son raqamlari teskari tartibda yozilishidan xosil bo`lgan son ayrilganda, to`la kvadrat bo`ldigan nechta juft son mavjud?
A) 5 B) 6 C) 7 D) 8 E) 15
6. ni soddalashtiring. A) B) C) D) 1-
7. Quyida keltirilgan tengliklardan qaysilari ayniyat?
1. (x+a)∙(x-b)=x2-(a-b)x-ab; 2. 6ab+(2a3+b3-(3ab2-(a3+2ab2-b3)))=3a3-ab2+6ab
3. 5a2-3b2-((a2-2ab-b2)-( 5a2-2ab-b2))=9a2-3b2 4. 3a-(2c-(6a-(c-b)+c+(a+8b)-6c))=10a+9b-8c
A) 1;3;4 B) 1;2;4 C) 2;3;4 D) 1;2;3
8. (b-c)(b2+bc+c2) ifodaning b= va c= bo`lgandagi qiymatini hisoblang.
A) 8 B) 2 C) -8 D) -2
9. tenglamalar sistemasini yeching. A) (-1;-2) B) (1;-2) C) (-1;-2);(1;-2) D) Ø
10. (a+b-2)(a+b)-(a-b)2+1 ni ko`paytuvchilarga ajrating.
A) (2a+1)(2b+1) B) (2a-1)(2b-1) C) (a+1)(2b-1) D) 2b(a+1)
11. n ning qanday eng kichik natural qiymatida 2n-3+1 soni 33 ga qoldiqsiz bo`linadi?
A) 8 B) 7 C) 4 D) 6
12. ni hisoblang. A) -120 B) -200 C) -2 D) 200
13. ni soddalashtiring. A) 5 B) 4 C) 9 D) 6
14. Agar m-n=(4x+y)2 va n-m=(4x-y-24)2 bo`lsa, y-x ning qiymatini hisoblang.
A) -6 B) -9 C) 9 D) -15
15. Quyidagi ifoda ayniyat bo`lsa
A)5 B)4 C)3 D)2
16. (x2+x)2-11(x2+x)-12 ifodani ko`paytuvchilarga ajrating ?
A) (x+4)(x-3)(x2+x+1) B) (x-4)(x+3)(x2-x+1) C) (x-4)(x+3)(x2+x+1) D) (x+4)(x-3)(x2-x+1)
17. ni hisoblang. A) B) C) D)
18.Agar bo`luvchi x-8 ga bo`linma x-3 ga qoldiq -6 ga teng bo`lsa bo`linuvchini toping?
A)x2+11x-18 C)x2+11x+18
B)x2-11x+18 D) x2-11x-18
19. ni hisoblang A)-2 B)1,5 C)-1,75 D)-2,75
20. Soddalashtiring A) x4 B)- x4 C) x6 D) –x6
Download 42.91 Kb.

Do'stlaringiz bilan baham:




Ma'lumotlar bazasi mualliflik huquqi bilan himoyalangan ©fayllar.org 2022
ma'muriyatiga murojaat qiling