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5thgrade

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國小數學4下單元2

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15 questions

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  • 1. Multiple Choice
    1 minute
    1 pt
    兩條直線互相垂直,則這兩條直線相交的角會是多少度?叫做什麼角?
    60度,銳角
    90度,直角
    180度,平角
    360度,周角
  • 2. Multiple Choice
    1 minute
    1 pt
    Image
    哪一個選項中的兩條直線互相垂直?

    (1)

    (2)

    (3)

    (4)

  • 3. Multiple Choice
    1 minute
    1 pt
    Image
    圖中,兩條直線互相垂直的有多少組?

    1組

    2組

    3組

    4組

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