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Mathematics

9th

grade

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3上 1-4 相似三角形的應用

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  • 1. Multiple Choice
    1 minute
    1 pt

     ABC面積為△ADE面積的2倍

    ABC周長為△ADE周長的2倍

  • 2. Multiple Choice
    1 minute
    1 pt
    Image

    ABE面積:△AED面積=3:2

    AED面積:△BEC面積=4:9

    BEC的面積是18平方公分

  • 3. Multiple Choice
    1 minute
    1 pt
    Image

    3.9

    4

    4.2

    4.4

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