Mathematics

8th

grade

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Operații cu numere reale reprezentate prin litere

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10 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    2 x +7 x este egal cu....

    9x

    4 x

  • 2. Multiple Choice
    1 minute
    1 pt

    4 x 3 + 5x 2 - 3 x 3- 5 x2 este egal cu...

    4

    x 3

  • 3. Multiple Choice
    30 seconds
    1 pt

    3a - 6a + 2a = ...

    -5a

    -a

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