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Mathematics

7th

grade

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1下 1-1 二元一次方程式

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10 questions

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  • 1. Multiple Choice
    1 minute
    1 pt

    4

    -1

    -4

    -3

  • 2. Multiple Choice
    1 minute
    1 pt

    x=2,y=-1是下列哪一個二元一次方程式的解?

    3x-2y=4

    2xy=-5

    y=3x-8

    2xy=5

  • 3. Multiple Choice
    1 minute
    1 pt

    下列哪一組數對不是3xy+2=0的解?

    (0 , 2)

    (-1 , 1)

    (2 , 8)

    (1 , 5)

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