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Mathematics

8th -

7thgrade

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Calcul Algebric

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20 questions

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  • 1. Multiple Choice
    20 seconds
    1 pt

    Rezultatul calcului (-2x2)3 este

    6x6

    -6x

    -8x6

    8x

  • 2. Multiple Choice
    1.5 minutes
    1 pt

    Fie expresia E(x)=2x2 – 5 – 3x + 7 – x2 + 2x valoarea expresiei E(0) este

    x2 - x + 2

    2

    1

    nu exista

  • 3. Multiple Choice
    1.5 minutes
    1 pt

    Rezultatul calculului 3x∙(2x – 3) este

    5x2 + 9x

    5x2 - 9x

    6x2 - 9x

    -6x2 + 9x

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