1. Daraja shaklida yozing

1. Daraja shaklida yozing.
A. a²³ B. a¹⁸ C. a¹⁶ D. a¹⁷ E. a¹²
2. 100 dan oshmaydigan barcha natural sonlarni ketma – ket yozilsa, 0 raqami necha marta uchraydi?
A) 9 B) 10 C) 11 D) 12
3. Agar kamayuvchini 13 ta va ayriluvchini 17 ta orttirilsa , ayirma qanday o`zgaradi?
A) 30 ta oshadi B) 30 ta kamayadi
C) 4ta oshadi D) 4ta kamayadi
4. ning oxirgi raqamini toping
A) 1 B) 2 C) 3 D) 4
5. 15 ayirma qaysi raqam bilan tugaydi?
A) 5 B) 0 C) 7 D) 3
6. Qandaydir sonni 180 ga bo`lganda qoldiq 159 ga teng bo`lsa, shu sonni 36 ga bo`lgandagi qoldiqni toping
A) 13 B) 14 C) 15 D) 16
7. 42+487+4263+42081 ni 6 ga bo`lgandagi qoldiqni toping.
A) 1 B) 2 C) 3 D) 4
8. Quyidagi qaysi son 6 ga qoldiqsiz bo`linadi?
A) 741532 B) 893564
C) 430968 D) 987512
9. 789 ko`paytmani 6 ga bo`lgandagi qoldiqni toping.
A) 2 B) 3 C) 4 D) 0
10.10800 ning natural bo`luvchilari nechta ?
A) 32 B) 48 C) 54 D) 60
11. Ikki sonning eng kichik umumiy karralisi 216 ga, eng katta umumiy bo`luvchisi 6 ga teng . Shu sonlar ko`paytmasini toping.
A) 960 B)1236 C) 1296 D) aniqlab bo`lmaydi
12. Nechta ikki xonali tub son bor?
A) 19 ta B) 21 ta C) 23 ta D) 25 ta
13. 60, 72 va 84 sonlarining eng katta umumiy bo`luvchisini toping.
A) 14 B) 16 C) 18 D) 12
14. a= , b= , c= , d= sonlarni kamayish tartibida yozing.
A) a>b>c>d B) a>c>b> d
C) d>c>b>a D) b>c>a>d
15. ( : ( ) ni hisoblang.
A) 2 B) 1 C) D)
16. ko`paytmani toping.
A) n B) C) D)
17. ni hisoblang.
A) 1,2 B) 1,25 C) 1,32 D) 2,4
18. ni hisoblang.
A) 7 B) C) 1 D) 49
19. ³ ni hisoblang.
A) 3/5 B) 1/5 C) 1/3 D) 1/15
20. –(-a-(2a-(-3a-(-4A) ))) ni soddalashtiring.
A) 2a B) 0 C) 4a D) –2a
21. 0,6 ni soddalashtiring.
A) 0,18a-0,45 B) 0,18a-0,75
C) 0,18a+1,25 D) 0,18a+0,75
22. (a+b-c) (a-b+c) -(a-b-c) (a+b+c) ni soddalashtiring.
A) 0 B) 4bc C) 4ac D) 4ab
23. (a+b) (a-b) (a-2b) ni soddalashtiring.
A) a³-ab² –2a²b+2b³ B) a³-ab² +2a²b-2b³ C) a²+2a²b+2ab²-b² D) a³+2a²b+2ab²-b³
24.(x-1)(x+2)-(x+1)(x-2) ni ixchamlashtiring.
A) 2x-4 B) 0 C) 2x D) 2x-2
25.(a+3)(9a-8)-(2+a)(9a-1) ifodaning a=-3,5 bo`lgandagi qiymatini toping.
A) 19 B) –21 C) –19 D) –29
26. teglamani yeching.
A) ½ B) C) 1 D) 2
27. tenglamani yeching.
A) 1 B) 2,5 C) 3 D)
28. Ko’phadning yig’indisini toping. (3x² - 2xy - y² ) - (4 x² + 3 xy + 2 y² ) =
A. 5x² - 3 xy; B.4x²- 3xy+2y²; C –x² - 5xy – 3y²; D. 7x² – 3 xy; E. 5x² - 3 xy +7 y²
29.Ko’paytuvchilarga ajrating. x (a - 2) + y(2 – a) + (a – 2) =
A. (a - 2)(x – 2y) B.(a - 2)(x-y+1) C.(a - 3) (x - 2) D.(a - 2) (y - 2) E. (a - 4) ( A - 2)
30. Birhadlarni ko’paytiring.
A. 1/2 a⁵ b⁶ x⁵ B. 1/2 a⁶ b⁸ x⁶ C. 1/3 a b² x^-1 D. 1/4 a b⁶x⁵ E. 1/2 a b² x
BONUS. Ifodani soddalashtiring.
(4a³b²)³ : (2a²b)² =
A. 16a⁵ b⁴ B. 12a³ b³ C. 16a²b⁴ D. 16a²b³ E. 8a⁵b⁴