7-sinflar Matematika olimpiada №2

Dekabr 12, 2022Dekabr 12, 2022 InfoMaster fikr bildirilmagan.

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InfoMaster

7-sinflar Matematika olimpiada №2

07.12.2022 yil oo.uzedu.uz

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1.

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C

B

A

D

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2.

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B

C

D

A

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3. Hisoblang:

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IV

III

I

II

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4.

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D

C

B

A

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5. Soddalashtiring: 5b-(6b-a)-(a-6b)

5b

17b-2a

5b+2a

5b-2a

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6.

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A

B

C

D

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7.

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D

A

B

C

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8. Telefon stansiyasi mijozlarining uy telefon raqamlari 7 xonali sonlardan iborat va 573 sonidan boshlanadi. Shu stansiya nechta mijozga xizmat ko`rsatishi mumkin?

10000

30000

15000

1000

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9.

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A

B

C

D

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10.

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B

C

D

A

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11.

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B

A

C

D

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12.

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A

B

D

C

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13.

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B

D

A

C

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14.

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D

C

A

B

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15.

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A

D

C

B

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16. Gazlamaning narxi 20 Ma’lum vaqtdan so’ng, yangi narx ham 25 ortdi. Gazlamaning narxi jami necha foiz ortdi?

70 %

50 %

55 %

60 %

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17.

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C

D

B

A

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18.

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D

A

B

C

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19.

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C

A

D

B

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20.

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D

C

B

A

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21. Algebraik kasrni qisqartiring:

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III

II

I

IV

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22.

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A

B

C

D

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23.

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C

D

B

A

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24.

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C

A

D

B

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25.

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A

C

B

D

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Author: InfoMaster

Matematika olimpiada

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