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Mathematics

8th

grade

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2下 1-2 等差級數

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10 questions

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  • 1. Multiple Choice
    1 minute
    1 pt

    下列哪一個是等差級數?

  • 2. Multiple Choice
    1 minute
    1 pt

    計算1+3+5+7+……+19的和,則下列哪一個列式是正確的?

  • 3. Multiple Choice
    1 minute
    1 pt

    在1~100中,6的倍數的總和是多少?

    880

    816

    810

    804

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