Divizibilitate, criterii de divizibilitate
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12 QuestionsShow answers
  • Question 1
    60 seconds
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    Q.

    Divizorii lui 18

    answer choices

    1, 18

    1, 2, 9, 18

    1, 2, 18

    1, 2, 3, 6, 9, 18

  • Question 2
    60 seconds
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    Q.

    Multiplii lui 13 de două cifre

    answer choices

    13, 26, 39, 65

    13, 26, 39, 52, 65, 78, 91

    0, 13, 26, 39, 52, 65, 78, 91

    13, 39, 52, 65, 91

  • Question 3
    120 seconds
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    Q.

    Suma divizorilor naturali ai numărului 14

    answer choices

    34

    10

    24

    14

  • Question 4
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    Q.

    Divizorii comuni ai numerelor 9 şi 12

    answer choices

    1, 3 ,9

    1,3, 4

    1, 3

    3

  • Question 5
    60 seconds
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    Q.

    Numerele de forma 35x divizibile cu 2

    answer choices

    350, 352, 356, 359

    350, 356, 358

    350, 352, 359

    352, 356, 357

  • Question 6
    60 seconds
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    Q.

    Numerele de forma 35x divizibile cu 5

    answer choices

    350, 352

    353

    355, 359

    350, 355

  • Question 7
    60 seconds
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    Q.

    Numerele de forma 35x divizibile cu 10

    answer choices

    350

    355

    350, 355

    359

  • Question 8
    60 seconds
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    Q.

    Numerele de forma 35x divizibile cu 3

    answer choices

    352, 354

    351, 359

    351, 357

    350, 357

  • Question 9
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    Q.

    Numerele de forma 45x divizibile cu 9

    answer choices

    450, 459

    453, 454

    457, 458

    451, 459

  • Question 10
    60 seconds
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    Q.

    Numerele de forma 27x divizibile cu 2 şi cu 5

    answer choices

    274, 275

    274

    275

    270

  • Question 11
    60 seconds
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    Q.

    Numărul 40925 este divizibil cu

    answer choices

    3

    9

    2

    5

  • Question 12
    60 seconds
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    Q.

    Divizorii improprii ai numărului 63 sunt

    answer choices

    1 şi 63

    3, 7, 9, 21

    1 şi 21

    3 şi 63

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