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Mathematics

7th -

8thgrade

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Testare inițială clasa a VIII-a

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  • 1. Multiple Choice
    15 minutes
    1 pt

    Media aritmetică a numerelor  12\sqrt{12}  și  48\sqrt{48}  este:

     636\sqrt{3}  

     333\sqrt{3}  

     60\sqrt{60}  

     30\sqrt{30}  

  • 2. Multiple Choice
    15 minutes
    1 pt

     25−49\sqrt{25}-\sqrt{49}  Rezultatul calculului

    2

     24\sqrt{24}  

     −24-\sqrt{24}  

    -2

  • 3. Multiple Choice
    15 minutes
    1 pt

     x2−10x+25x^2-10x^{ }+25  descompus în factori este:

     (x−2)2\left(x-2\right)^2  

     (x−5)(x+5)\left(x-5\right)\left(x+5\right)  

     (x−2)(x−5)\left(x-2\right)\left(x-5\right)  

     (x−5)2\left(x-5\right)^2  

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