Natural son nimaga aytiladi?


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  1. Natural son nimaga aytiladi?

A)-1,0,1 B)Sanashda ishlatiladigan sonlarga aytiladi C) 0 soniga aytiladi D)musbatmas sonlarga aytiladi.

  1. Oddiy foiz formulasini ko’rsating.

A)I=Crn100% B) I=SV C) I=Cn100% D) I=Cr100%

3. Kasrni qisqartiring:

A) B) C) D)

4. Kasrni qisqartiring:

A) B) C) D)

5. Soddalashtiring: 2a+b+c+b;

A) 2a+2b+с B) 2a+b+c+b C)a+2b+c D) 3b+a+c

6. Tenglamani yeching: 3(x+3)-x=x+10

A) x=1; B)x=2; c)x=3; D)x=4;

7. O’nli kasrlarni qo’shing: 1.6+1.5

A) 3.1 B)3.2 C)3.3 D)3.4

8. Hisoblang: 23

A) 6 B)5 C)8 D) 4

9. Tenglamani yeching: x2+8x+15=0



A)x1=-3; x2=-5 B)x1=3; x2=5 C) x1=-3; x2=-4 D) x1=-2; x2=-3

10. Tenglamani yeching: 4(x+5)-x=x+22

A) x=1; B)x=2; c)x=3; D)x=4;

11. Tengsizlikni yeching: 5(x-1)+x>4x+7



A) B) c) D)

12. Hisoblang: 54

A) 20 B)10 C)5 D) 625

13. Eng katta natural son mavjudmi?

A) Ha B) Aytaolmaymiz C) Yo’q D) Hammasi javob to’g’ri.

14. Taqqoslang: -5 -6

A)-5>-6 B)-6>-5 C)-6=-5 D) Hammasi javob to’g’ri.

15. Hisoblang: 7777:77

A) 77 B)100 C)111 D) 101

16. Hisoblang: (34∙150):25

A) 201 B)202 C)203 D) 204

17. Hisoblang: -275+205

A) 70 B)-480 C)-70 D) 101

18. Hisoblang: (39-49):2

A) 10 B)5 C)-5 D) -10

19. Tenglamani yeching:

A) 27 B)-27 C)-10 D) 210

20. Tenglamani yeching: x2+13x+42=0

A)x1=-7; x2=-6 B)x1=6; x2=7 C) x1=-3; x2=-4 D) x1=-2; x2=-3

21. Tengsizlikni yeching: 3(x+3)-x

A) B) c) D)

21. Tengsizlikni yeching: x2+3x+2>0



A) U B) c) D)

22. Tengsizlikni yeching: x2+3x+2<0



A) U B) c) D)

23. Hisoblang:

A) -15 B)-125 C)155 D)15

24. Kasrni qisqartiring:



A) B) C) D)

25. Kasrni qisqartiring:

A) B) C) D)

26. Ildizdan chiqaring:



A) B) C) D)
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