Matematika (spest fan uchun)

MATEMATIKA (SPEST FAN UCHUN).
1. raqamlari yig’indisi 12 ga teng bo’lgan olti xonali son bo’lsa, 999999- sonining raqamlari yig’indisini toping.
A)42 B) 40 C) 52 D) 55
2. kasr manoga ega bo’ladigan barcha x lar yig’indisini toping.
A)-2 B) 0 C) 2 D) 10
3. hisoblang.
A)1210 B) 1000 C) 1240 D) 1100
4. Agar

ko’paytmaning qiymatini toping.
A) B) C) D)
5.a ning qanday qiymatida tenglik ayniyat bo’ladi?
A) B) C) D)
6. va bo’lsa, ifodaning qiymatini toping.
A)8 B) 3 C) 4 D) 7
7. Agar x=1 bo’lsa,

ning qiymatini toping.Bu yerda (a-b)(a-c)(b-c)
A)7 B) 8 C) 9 D) 1
8. kasrni qisqartiring.
A) B) C) D)
9. Ko’phadning ozod hadini toping.

A)13 B) 23 C) 7 D) 14
10. ning oxirgi raqamini toping.
A)9 B) 5 C) 1 D) 4
11. 2016*(2017*2018+1) ifoda quidagi-lardan qaysi biriga teng?
A) B)
C) D)
12. 1*4+2*7+3*10+…+8*25
A)648 B) 408 C) 452 D) 555
13.
A) [-3: 5] B) [-2: 1] C) [-1: 1] D) [-3: 7]
14. kesmada 2, 3, 5 va 7 sonlariga bo’lganda qoldiq 1 qoladigan nechta natural son bor?
A)2 B) 14 C) 5 D) 4
15.Natural n sonning kvadratini 10 ga bo’lgandagi qoldiqlar yig’indisini toping.
A)25 B) 40 C) 52 D) 55
16. bo’lsa, ning son qiymatini toping?
A)8 B) 10 C) 12 D) 11
17.
A)12 B) 74 C) 85 D) 95
18. hisoblang.
A) B) C) D)
19. tenglamani yeching?
A) B) C) D)