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Mathematics

7th

grade

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1上 2-4 指數律

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10 questions

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  • 1. Multiple Choice
    1 minute
    1 pt

    化簡(-2)×82的結果與下列何者相同?

    2×(-2)2

    (-2)×24

    (-2)×25

    -27

  • 2. Multiple Choice
    1 minute
    1 pt

    請判別下列哪一個選項是正確的?

    72×73=72×3=76

    72+73=72+3=75

    (72)3=72×3=76

    75-73=75-3=72

  • 3. Multiple Choice
    1 minute
    1 pt

    abc

    bac

     cab

     cba

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