Matematika 1-variant


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Matematika 5 –variant



  1. Soddalashtiring.  A)  B)  C) 4 D) 1

2. Tenglamani yeching. x(x - 2) = (x +1)2 – 17
A) 7 B) 4 C) 8 D) 5
3. Ifodani soddalashtiring: 2(a+b) + 3(3a+7b) – 12b

A) 23a+11b B)20a +b C) 20a+11b D) 11(a + b)


4. Hisoblang:  + 0.125
A) 4 B) C)  D) 

5. Sonni toping. 2; 3; 5; 7; 11; __


A) 15 B) 13 C) 18 D) 16


6. proporsiyadan x ni toping


A)  B)  C) 3 D) 

7. Ko`paytuvchilarga ajrating. a2 – 3ax + 2x2


A) (a + x)(a + 2x) B) x(a – x) C) (a – x)(a – 2x) D) (a + 3x)(a – x)

8. Tenglama yechimini toping. 3(2x+1)+11x = 20


A) 1 B) – 2 C)  D) 

9. 120; 48 va 32 ning EKUK ini toping.


A) 480 B) 540 C) 360 D) 108


10. Hisoblang. 15,5 + 7,5:1,5 – 0,5


A) 2,5 B) 15 C) 20 D) 1,3

11. Qaysi sonlar o`zaro tub


A) (25;36) B) (30;12) C) (12;18) D) (19;57)

12. Hisoblang.  A) a B) a5 C) a2 D) a3


13. Soddalashtiring A) B)  C)  D) 1


14. Agar a=0,05 bo’lsa,  ifodani qiymatini toping.
A) 400 B) 500 C) 200 D) 100
15. Ishchining maoshi 20% ortib 2 mln 400 ming bo`ldi. Dastlabki maoshi qancha bo`lgan.
A) 1,8 mln B) 2,2 mln C) 2 mln D) 1,5 mln
16. (0.02)3 : (0.5)4 ∙ 56 ifodaning qiymatini toping? A)  B)10 C)8 D)2
17. Maxrajni irratsionaldan qutqaring.
A) + ; B) 4( - ); C) ( - ); D)1
18. Ko’paytuvchilarga ajrating : 
A) a(a+12) B) ( )(a - 2)
C) a(a-1)(a+2) D) (a+3)(a-2)
19.  ko`phad quydagilarning qaysi biriga bo`linmaydi?

20. Dastlabki 30 ta natural sonlar ichida 6 soni bilan o'zaro tub bo'lgan sonlar nechta?

21. Ifodani soddalashtiring. 

22. 3,3; x va -2,1 sonlarining o’rta arifmetigi 0,6 ga teng. x ni toping.
A) -0,6 B) 0,6 C) 2 D) 0,8

23. 2x(x – 1) – (2x+1)(x – 2) ko’phadni standart shaklga keltiring.


A) 2x2-3x B) 4x2-1 C) –x+1 D) x+2

24. Tenglamani yeching. 4(2x - 1) +3 = 15+2(1+x);


A) 2; B) 6; C) -2; D) 3;
25. Natural sonni 18 ga bo’lganda, bo’linma 19 ga, qoldiq 8 ga teng bo’ldi.
Bo’linuvchini toping.
A) 243 B) 263 C) 273 D) 350

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