Mathematics

10th

grade

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Cálculo mental

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10 questions

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  • 1. Multiple Choice
    20 seconds
    1 pt

    8 + 9

    17

    15

    16

  • 2. Multiple Choice
    20 seconds
    1 pt

    200 + 12

    222

    212

    20012

  • 3. Multiple Choice
    30 seconds
    1 pt

    500 + 500

    1000

    100

    10000

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