7-Sinf Matematika Aylanayoyining 25% nechagradusliyoybo’ladi

7-Sinf Matematika

1.Aylanayoyining 25% nechagradusliyoybo’ladi.

A)40° B) 45° C)60° D) 75° E)90°

2.Uzunligi 50sm bo’lgankesmaning qismi necha sm bo’ladi.

A) B)15 C)16 D) 16 E)16,3

3.Zavodning 2 sexi 576 ta detaltayyorladi. 2-sex 1-sexga qaraganda 3marta ko’pdetalyasaganbo’lsaharbir sex nechtadetalyasagan.

A) 144 va 132 B)142va 434 C)156 D)144 va 430 E)144

4.Agar son 32% gakamaytirilsa , 2,04 hosilbo’ladi. Shusonni toping.

A)4 B)5 C)2 D)3 E)51

5.Biraylananing diametric 6dm , 2- ningradiusi 5smga teng. 1- aylananingradiusi 2- aylananingdiametridannechamarta kata.

A)5 B)3 C)2 D) 6 E)7

6.Yig’indisi 81 gatengbo’lganuchtaketma –kettoqsonlarni toping.

A)25,27,29 B)27,29,31 C)23, 25,27 D)To’g’rijavobyo’q E)28, 30, 31

7. Tenglamaniyeching. X: 3²=3³

A)3⁴ B)3⁵ C)3 D)3² E)3⁶

8.Hisoblang.  x

A)1,5 B) C) D) E)

9.Amallarnibajaring. (-2a)³ x (-3a)

A)8a³ B)6a⁴ C)24a⁴ D)24a E)a

10.Ko’phadnistandartshaklgakeltiring. 11x²+4x-x²-4x

A)10x² B)11x²+4x C)11x-x² D)10x²-4x E)4x

11.Ko’phadniko’phadgako’paytiring. (z-1)(z+4)

A)z²+z-4 B)z²+3z-4 C)z²-4z-4 D)z²-3z-4

12.Bo’lishnibajaring. 12ab  (-4ab)

A)3b B)-3 C)10ab D)3 E)ab

13.Algebraikyig’indini toping. 3x²-(4x²+12y)

A)-x²-12y B)12y C)2x²-y D)x²+12y E)7x²+12y

14.16x⁴ ko’phadniboshqako’phadningdarajasiko’rinishidayozing.

A)(4x²)² B)(11x)² C)4x² D)56x² E)8x²

15.Ko’paytmani toping. -6x(5y-2x)=?

A)-30xy +12x² b)25xy-10x c)12xy-4x d)11xy-8y e)to’g’rijavobyo’q

16. a>0 , b<0 |a|≠|b| quyidagiifodalarniqaysibiriningqiymatimusbatbo’lmasligimumkin a)a-b b)a³b² c) |a-b| d)|a|-16

17.Agarm€Nbo’lsaquyidagikeltirilganlardanqaysibiridoimjuftbo’ladi.

a)m(m+6) b) m²+4m d)m⁵+3m e)m⁴+8

18.Agar +bo’lsa shuni toping.

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19.Nechtaikkixonali son 15 gaqoldiqsizbo’linadi.

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20.7⁶-27 soni 49 gabo’linadimi.

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21.Anuqtadan B nuqtagachabo’lganmasofa10sm B nuqtadanCnuqtagachabo’lganmasofa 7sm AC ni toping.

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22.Matematikaxonasidagiuchburchakvato’rtburchaklarningumumiysoni 17 ta , ularningburchaklarinisoni 59 ta. Xonadanechtauchburchakvanechtato`rtburchakbor .

23.ABCuchburchakdagi

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24. 44433333*35 yozuvdagi *ningo`rnigaqandayraqamqo`yilsahosilbo`lgan son 45ga qoldiqsizbo`linadi ?

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25 .Eng soda geometrikshakl.

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