Mathematics

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Calculo mental

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10 questions

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  • 1. Multiple-choice
    30 seconds
    1 pt

    4 x 8

    32

    38

    30

    42

  • 2. Multiple-choice
    30 seconds
    1 pt

    5 x 9

    35

    45

    55

    65

  • 3. Multiple-choice
    30 seconds
    1 pt

    6 x 7

    22

    67

    42

    52

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