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7th

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國中數學三上3-2

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10 questions

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  • 1. Multiple Choice
    1 minute
    1 pt
    已知△ABC的三邊長分別為10公分、11公分、5公分,若內切圓的半徑為r公分,則△ABC的面積為多少平方公分?(以r表示)_x000B_
    13r
    26r
    39r
    52r
  • 2. Multiple Choice
    1 minute
    1 pt
    Image
    如圖
    01:03:00
    01:04:00
    01:05:00
    01:06:00
  • 3. Multiple Choice
    1 minute
    1 pt
    Image
    如圖
    96
    64
    48
    32
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