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marcolee201314

  • 方格紙/釘點紙畫四邊形

    Activity

    marcolee201314

  • 平行四邊形的演示

    Activity

    marcolee201314

  • 點到直線距離的展示

    Activity

    marcolee201314

  • 展示活動所用的時間

    Activity

    marcolee201314

  • 鐘面、數字鐘、報時互換

    Activity

    marcolee201314

  • 教授時針及分針

    Activity

    marcolee201314

  • 教授秒針

    Activity

    marcolee201314

  • (時分秒)量度活動所用的時間(時分秒)

    Activity

    marcolee201314

  • (時分)量度活動所用旳時間

    Activity

    marcolee201314

  • 畫鐘面

    Activity

    marcolee201314

  • 鐘面的時間(時和分)

    Activity

    marcolee201314

  • 數粒2

    Activity

    marcolee201314

  • 數粒

    Activity

    marcolee201314

  • 數粒

    Activity

    marcolee201314

  • 點到直線的距離演示

    Activity

    marcolee201314

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