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Mathematics

8th

grade

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2上 2-1 平方根與近似值

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10 questions

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  • 1. Multiple Choice
    1 minute
    1 pt

    小軒將大小相同的正方形磁磚1000塊,不經切割且無破損的鋪成一個最大的正方形區域,那麼鋪完後還剩下幾塊磁磚?

    100

    56

    39

    13

  • 2. Multiple Choice
    1 minute
    1 pt

    abx都是相異整數,且ab都是x的平方根,則下列敘述何者不一定正確?

    a2x

    b2x

    ab=0

  • 3. Multiple Choice
    1 minute
    1 pt

    試判斷下列等式何者不成立

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