1. Ikki unli o`rtasida talaffuzda y undoshi orttirib aytilsa-da, lekin bu yozuvda aks etmaydigan so`zlar berilgan qatorni aniqlang

38. Ifodani soddalashtiring.

A) x²–9 B) (x+3)^–1∙(x–3)
C) D)
39. hisoblang.
A) B) C) 7 D)
40. a ni toping.
A) B) C) D)
41. Ifodani soddalashtiring.
A) 6–2a B) 2a–12 C) 12–4a D) 4a–12
42. Soddalashtiring.
A) x+3 B) C) D) –x–3
43. ni soddalashtiring.
A) b^–1 B) b^–2 C) b² D) b
44. ni hisoblang.
A) B) C) D)
45.  bo’lsa,  ni toping
A)  B)  C)  D) 
46. 420 va 672 sonlarining umumiy bo’luvchilari nechta?
A) 8 B) 15 C) 12 D) 10
47.  bolsa, 
A) 75 B) 81 C) 87 D) 64
48.  ifodaning x=3,2 va y=5,6 bo’lgandagi qiymatini toping
A) 2 B) 4 C) 8 D) 30,4
49. 
A)  B) 2 C) 2 D)
50. (1;9) oraliqda nechta egizak tub sonlar juftligi bor?
A) 2 B) 3 C) 4 D) 5
51. Qaysi juftlik o’zaro tub sonlardan iborat ?
A) (9:15) B) (6:25) C) (14:21) D) (13:65)
52. Ikkki son ko’paytmasi 864 ga, ularning EKUB 12 teng bo’lsa EKUK ni toping?
A) 36 B) 72 C) 144 D) 24
53. Natural sonni 18 ga bo’lganda, bo’linma 15 ga, qoldiq 3 ga teng bo’ldi. Bo’linuvchini toping.
A) 173 B) 243 C) 253 D) 273 E) 263
54. 910 ni 7 ga bo’lgandagi qoldiqni toping.
A) 1 B) 3 C) 2 D) 6 E) 4
55. 840 va 264 ning umumiy bo’luvchilari nechta?
A) 9 B) 4 C) 6 D) 8 E) 7
56. 12⁴¹ ni 5 bo’lgandagi qoldiqni toping.
A) 4 B) 2 C) 3 D) 1
57. Agar kamayuvchi, ayriluvchi va ayirmaning yig’indisi 72 ga teng bo’lsa , kamayuvchini 11 ga bo’lgandagi qoldiqni toping A) 2 B) 3 C) 4 D) 6 58.Barcha juft raqamlar ko’paytmasini va ularning yig’indisini qo’shing
A)45 B) 20 C) 404 D) 384