Nazorat test-2

Nazorat test-2 28.10.2023
1. Qaysi tenglik qoldiqli bo’lishni ifodalaydi?
A) 37=8 ∙ 5–3 B) 37=18 ∙ 2+1
C) 37=10 ∙ 4–3 D) 37=5 ∙ 6+7
2. 8,5272727… berilgan davriy kasrni oddiy kasr ko’rinishida yozing.
A) 8 B) 8 C) 8 D)8
3. Soddalashtiring.
A) B)
C) D)
4. ni hisoblang.
A) 12 B) 11 C) 10 D) 6 E) 8
5. Ushbu sonining raqamlar yig’indisini toping.
A) 460 B) 453 C) 473 D) 490 E) 480
6. Ushbu 6100,2 sonni standart shaklida yozing.
A) 6,1002 ^. 10³; B) 6,1002 ^. 10⁴; C)61,002 ^. 10³ ; D) 61,002 ^. 10²
. Ifodani soddalashtiring:
7. -(-х²у⁴)⁴ ∙ (6х⁴у)²
A) 36х¹⁶у¹⁸; B) 36х¹²у¹¹;
C) –36х¹²у¹¹; D) -36х¹⁶у¹⁸;
8. Ko‘phadni standart ko‘rinishida tasvirlang, bunda
2аа² ∙ 3b + а ∙ 8с
A) 6а³b + 8ac; B) 5a³b + 8ca; C) 6aba² + 8ca; D) 14a⁴bc;
9.
A) B) C) D)
10. EKUK(20; 30 ;40; 50;60) = ?
A) 100 B)200 C) 300 D) TJY
11. Hisoblang
A) B) C) D)
12. 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
13. ning oxirgi raqamini toping
A) 4 B) 5 C) 3 D) 2
14. ko`paytma qaysi raqam bilan tugaydi?
A) 4 B) 8 C) 8 D) 2
15. a²-b²-c²+2bc ni ko`paytuvchilarga ajrating.
A) (a-b+c)(a-b-c) B) (a-b-c)(a+b+c)
C) (a+b-c)(a-b+c) D) (a-b+c)(a+b+c)
16. 0,45(8)+0,44(1) ni hisoblang.
A) 7/10 B) 4/5 C) 9/10 D) 10/11
17. a=0,45(23), b=0,4(523) va c=0,(4523) o`sish tartibida yozing.
A) aC) bA) 0 B) 2ac C) 2ab D) 2bc
19. 12456789 soni quyidagi sonlardan qaysi biriga qoldiqsiz bo`linadi ?
A) 3 B) 5 C) 9 D) 10
20. x+y = 7 va xy = 10 bo`lsa x³+y³ = ?
A) 343 B) 1000 C) 203 D) 133
21. . (
A) 1 B) 2 C) 3 D) 0,5

22. Agar a+b+c=12 va ab+bc+ac=-15 bo`lsa a²+b²+c²=?

A) 164 B) 174 C) 114 D) 154
23. a =4,304, b = 4,034, c = 4,340, d= 4,043 bo’lsa, a, b, c va d sonlarni ortib borish tartibida joylashtiring.
A) b24. (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
25. . ni hisoblang.
A) 1/5 B) 5 C) 1 D) 25

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