Mathematics

6th

grade

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Teza - Clasa 6 -S1

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  • 1. Multiple Choice
    15 minutes
    1 pt

    Fie multimile A={5,7,8} si B={5,9,12}.
    Atunci,  AB=A\cup B=  

     {5,7,12}\left\{5,7,12\right\}  

     {5,7,8,12,13}\left\{5,7,8,12,13\right\}  

     {5,7,8,9,12}\left\{5,7,8,9,12\right\}  

     {5,7,9,12}\left\{5,7,9,12\right\}  

  • 2. Multiple Choice
    15 minutes
    1 pt

    Fie multimile A={5,7,8} si B={5,9,12}. Atunci  AB=A\cap B=  

     {5,7}\left\{5,7\right\}  

     {5}\left\{5\right\}  

    {5,7,8,9,12}\left\{5,7,8,9,12\right\}

    {5,7,9,12}\left\{5,7,9,12\right\}

  • 3. Multiple Choice
    15 minutes
    1 pt

    Fie multimile A={5,7,8} si B={5,9,12}. 
    Atunci, A-B=

     {5,7}\left\{5,7\right\}  

     {5}\left\{5\right\}  

    {5,7,8,9,12}\left\{5,7,8,9,12\right\}

     {7,8}\left\{7,8\right\} 

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