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Mathematics

6th

grade

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Mulţimi.Operaţii cu mulţimi

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13 questions

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  • 1. Multiple Choice
    2 minutes
    1 pt

    Determinaţi
     elementele mulţimii A={x l x ∈N , 2< x ≤ 6 }

    {0,1,4,5,6}

    {3,4,5,6}

    {2,3,4,5,6}

    {2,3,4,5}

  • 2. Multiple Choice
    3 minutes
    1 pt

    Determinaţi elementele mulţimii

    A={x l x∊N , 3|x şi x<18}

    {3,6,9,12,15}

    {6,9,12,15}

    {3,6,15,18}

    {3,7,8,16}

  • 3. Multiple Choice
    2 minutes
    1 pt

    Determinaţi {1,3,5,7} \cup  {2,3,5,7,9}

    {3,5,6,7,9}

    {1,3,5,7}

    {1,3,5,7,9}

    {1,2,3,5,7,9}

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