Mathematics

5th

grade

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代數式和方程

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13 questions

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  • 1. Multiple Choice
    20 seconds
    1 pt

    以下哪一項是代數式?

    y + 2

    y + 2 = 5

    y = 5 - 2

    5 - 2

  • 2. Multiple Choice
    20 seconds
    1 pt

    以下哪一項是方程?

    22 - 7 = 3A

    A + 1 > 9

    3A + 9

    A = 3 x 9

  • 3. Multiple Choice
    30 seconds
    1 pt

    如果5D = 10,那麼 2(3D + 1) = ?

    14

    66

    62

    7

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