Mathematics

7th -

9thgrade

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中三級-尤拉公式

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  • 1. Fill in the Blank
    1 minute
    1 pt

    假設你有9粒泥膠及21枝竹簽來製作一多面體。根據尤拉公式,該多面體應有多少個面?

    V - E + F = 2

    9 - 21 + F = 2

    F = ???

  • 2. Fill in the Blank
    1 minute
    1 pt

    已知一多面體有15條棱及9個面。該多面體應有多少個頂點?


    V - E + F = 2

    V - 15 + 9 = 2

    V =??

  • 3. Fill in the Blank
    1 minute
    1 pt

    已知一多面體有18個頂點及14個面。該多面體應有多少條棱?


    V - E + F = 2

    18 - E + 14 = 2

    E = ??

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