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7th

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國中數學一上1-2

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10 questions

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  • 1. Multiple Choice
    1 minute
    1 pt
    下列哪一式子的和為正數?_x000B_
    (-46)+46
    (-94)+84
    64+(-53)
    52+(-87)
  • 2. Multiple Choice
    1 minute
    1 pt
    下列等式何者錯誤?_x000B_
    7+(-3)=(-3)+7
    (-13)+(-4)=(-4)+(-13)
    (8-6)+5=8-(6+5)
    [8+(-9)]+(-6)=[(-6)+(-9)]+8
  • 3. Multiple Choice
    1 minute
    1 pt
    若甲數是比3.2小的最大整數,乙數是比1.5大的最小整數,則甲-乙=?_x000B_
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