3 : ni hisoblang: a -0,7; b c - d 3,5 e

1. 
   (1,8² - 2,3 ) : 2 ni hisoblang:
   

A) –0,7; B) - C)- D) 3,5 E)

2. 
   Qaysi son 4 ga yaqin joylashgan?
   

A) -4 B) -4 C) 4 D) 4,5 E)4, (5)

3. 
   2,3-3,1 ayirmaga teskari bo’lgan son:
   

1. 
   0,8 B) 1,25 C) –1,25 D) –0,2 E) – 8
   

4. O’sish tartibida joylashtiring: a= b= c=
A) acb B)cba C)cab D)bca E) bac
5.(x²+2x) =0 tenglamani eching

1. 
   0 B) –2 C) 2 D) 0 -2 E) 0,2
   

7.( )^x=27
A) –2 B) –3 C) 3 D) 2 E) 4
8. + ifodaning qiymatini toping
A) 3-2 B)1 C) 3 D) 2 E) 4
10.
A) B) C) D) E)

12. 1995 soni nechta natural bo`luvchiga ega.

A) 8 ta B) 12 ta C) 16 ta D) 20 ta E) 18 ta
14. qismi 75 ga teng bo`lgan sonni toping.
A) 9 B) 625 C) 525 D) 375 E) 675
15. 1535+2715+6218+3387-14933 ni hisoblang.

A) 62 B) 95 C) 1 D) 0 E) 334

16. 16, 30 va 42 sonlarning eng kichik umumiy kattaligi topilsin.
A) 1720 B) 1840 C) 1680 D) 6 E) 2

20.

A.36 B.81 C.16 D.49
21. Eng katta sonni ko`rsating.
A) B) C) D) E)
22. 2 musbat sonning ayirmasi 6, ko`paytmasi 216. shu sonlarni toping.
A.16va12 B.12va 18 C.22va 28 D.15va12
24. (NN) kasrning barcha natural qiymatlari yig’indisini toping.
A.61 B. 78 С .67 D90
25. 1 dan 75 gacha bo’lgan toq sonlar yig’indisi qanday raqam bilan tugaydi?
A.2 B.4 C.8 D.6
2. Ifodaning qiymatini toping: 
A) 0,5 B) 0,25 C) 1 D) 0,75
3.Tenglamani yeching:

A) –6 B) 6 C) 0 D) yechimi yo`q

8. Birhadlarni ko’paytiring:

A) 12,5x¹¹y⁷ B) –12,5x⁸y⁷ C) –12,5x¹
6. Ifodani soddalashtiring: 5у – (4у – (3у – (2у +( у – 1)))).
A) 2y + 1 B) 3y – 1 C) y – 1 D) y + 1
3. Birhadni darajaga ko'taring: ( 7a ² b c ) ² =
A) 49a⁴ b² c⁶ B) 49a² b c³ C) 7a⁴ b² c⁶ D) 49a ⁴b⁴c⁶ E) 7a⁴ b⁴ c⁹
7. Ikki sonnimng yig'indisi 180. Birinchi son ikkinchisidan 30 ga katta. Shu sonlarni toping.
A) 103; 77; B) 105; 75; C)100; 80; D) 90; 90; E) 110; 70; 15.Qavslarni oching: 12b - (12b - (b - 12)) =
A) b -12 B) b+12 C)12-b D) -12-b E) -12-(-b). * Ushbu 31323334...7980 sonning raqam-lari yig’indisini toping.
A)473 B)480 C)460 D)490 E)453
2^1971 ning oxirgi raqamini toping.

1. 
   2 B) 6 C) 4 D) 8 E) 0
   

108 va 135 sonlarining eng kichik umumiy karralisini 12 va 54 sonlari eng kichik umumiy karralisiga nisbatini toping?

2. 
   A) 8 B) 5 C) 12 D) 6 E) 10