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    8B - Matem Ulugbek Answer

    Uploaded by

    colbamuhammaddiyor

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    © All Rights Reserved
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    8B - Matem Ulugbek Answer

    Uploaded by

    colbamuhammaddiyor
    2 views3 pages

    Original Title

    8B_matem ulugbek answer

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    © © All Rights Reserved

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    2 views3 pages

    8B - Matem Ulugbek Answer

    Uploaded by

    colbamuhammaddiyor

    Copyright:

    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd
    Download as docx, pdf, or txt
    of 3

    Savollar Variantlar

    1. Ifodaning qiymatini toping: 26 · 25 − 25 · 24 + 24 · 23 − 23 · 22 − 12 · 8 A) 106 B) 1 C) 54 D) 0


    2. 8m275dm2 necha dm2 ga teng. A) 155 B) 875 C) 600 D) 8075
    3. Hisoblang: 1+2+3+4+5+…+99+100 A) 5050 B) 1050 C) 5000 D) 1000
    4. Ikki sonning ko‘paytmasi 150 ga, ularning eng katta umumiy bo‘luvchisi 15 ga teng. Bu A) 10 B) 21 C) 20 D) 15
    sonlarning eng kichik umumiy karralisini toping.

    ( )
    7 1 3 A) 64 B) 3 C) 61 D) 55
    5. Hisoblang: 2 + : −3
    8 8 64

    ( )( )( )
    2a
    3
    3b c
    3 3
    A) 27 B) 9 C) 8 D) 3
    6. Ifodaning qiymatini toping. ∙ ∙
    b c 3a
    7. EKUB ( 28 ; 140 ; 280 )=? A) 28 B) 140 C) 280 D) 280
    8. 72 km/soat tezlik bilan harakatlanayotgan mashina o’zidan 12 km oldinda 57km/soat tezlik A) 24 B) 36 C) 48 D) 42
    bilan ketayotgan mashinani necha minutda quvib yetadi.
    9. Birinchi son ikkinchi sondan 12 ga ortiq. Ularning o`rta arifmetigi 49 ga teng bo`lsa, ikkinchi A) 45 B) 39 C) 46 D) 43
    sonni toping.
    10. 4 ta mushuk 4 soatda 4 ta sichqonni yeydi. 6 ta mushuk 6 soatda nechta sichqonni yeydi? A) 6 B) 9 C) 8 D) 12
    11. x 2 – 5 x+ 6=0 tenglamani yeching A) 2 ;−3 B) ± 1 ,5 C)2 ; 3 D) ± 1
    2 x−1 A) −¿29 B) −¿ 29/11 C) 29/11 D) 11/29
    12. Tenglamani yeching: −2 ( 3 x+2 )−3 (−x+ 2 )=
    3
    13. √ (−4 ) +3 √(−3 ) + √(−9 ) ni hisoblang.
    2 2 3 3 A) −4 B) 4 C) 22 D) −22

    14. Kompaniyaning 1440 ta mijozi bor. Oddiy mijozlarning imtiyozli mijozlar soniga nisbati 5:7 A) 595 B) 840 C) 600 D) 1440
    ni tashkil etadi. Kompaniyaning necha nafar imtiyozli mijozi bor?
    15. 2513 +16127 −27 ning oxirgi raqamini toping. A) 4 B) 8 C) 3 D) 6
    a b 2
    a +b
    2
    2ab
    16. Soddalashtiring: − A) 2 B) C) 1 D) 0
    a−b a+b a −b
    2 2
    a −b
    2

    (−6 )− (−2 )2 ∙(−3) A) −3 B) −2 C) 0 D) 1


    17. +1 ifodani hisoblang.
    −22+2
    18. 2 kg shakar 10400 so‘m bo‘lsa, 3 kg 500 g shaker necha so‘m bo‘ladi? A) 18200 B) 18400 C) 18100 D) 18000
    19. 1;5;8;7 raqamlar yordamida nechta turli raqamli 3 xonali son tuzish mumkin A) 64 B) 24 C) 60 D) 48
    ( 3
    20. 2 −
    4
    1
    4 )
    ∙ 0 , 8−1 , ( 6 ) ∙1 , 8 ifodaning qiymatini toping.
    A)1 B) 1 ,5 C) −1 D) −1 ,5

    1.D 1. D 1. D

    2.B 2. B 2. B

    3.A 3.A 3.A

    4.A 4. A

    5.C 5. A

    6.C 6. C

    7.A 7. A

    8.C 8. C

    9.D 9. D

    10.B 10 B

    11. C 11. C

    12. B 12. B

    1. D

    2.B

    3.A

    4.A

    5.C

    6.C

    7.A

    8.C

    9.D

    10.B
    11. C

    12. B

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