Ptt 大爆卦 | 方形人孔蓋尺寸 - 前往 https://www.facebook.com/numeracylab/posts/%E6%95%B8%E6%84%9F%E7%94%9F%E6%B4%BB%E4%BA%BA%E5%AD%94%E8%93%8B%E7%82%BA%E4%BB%80%E9%BA%BC%E5%9C%93%E5%BD%A2%E6%AF%94%E8%BC%83%E5%A4%9A%E5%A6%82%E6%9E%9Cgoogle%E6%90%9C%E5%B0%8B%E4%BA%BA%E5%AD%94%E8%93%8B%E7%9A%84%E5%9C%96%E7%89%87%E6%9C%83%E7%9C%8B%E8%A6%8B%E5%97%AF%E5%BE%88%E5%A4%9A%E4%BA%BA%E5%AD%94%E8%93%8B%E5%86%8D%E4%BB%94%E7%B4%B0%E7%9C%8B%E4%B8%80%E9%BB%9E%E4%BD%A0%E6%9C%83%E7%99%BC%E7%8F%BE%E5%9C%93%E5%BD%A2%E7%9A%84%E4%BA%BA%E5%AD%94%E8%93%8B%E4%BB%A5%E5%A3%93%E5%80%92%E6%80%A7%E7%9A%84%E6%AF%94%E4%BE%8B%E5%87%BA%E7%8F%BE%E5%9C%A8%E9%9B%BB%E8%85%A6%E8%9E%A2%E5%B9%95%E4%B8%8A%E9%80%99%E6%98%AF%E7%82%BA%E4%BB%80%E9%BA%BC%E5%91%A2%E7%AD%94%E6%A1%88%E8%B7%9F/1481127125241642/

你即將離開本站

並前往https://www.facebook.com/numeracylab/posts/%E6%95%B8%E6%84%9F%E7%94%9F%E6%B4%BB%E4%BA%BA%E5%AD%94%E8%93%8B%E7%82%BA%E4%BB%80%E9%BA%BC%E5%9C%93%E5%BD%A2%E6%AF%94%E8%BC%83%E5%A4%9A%E5%A6%82%E6%9E%9Cgoogle%E6%90%9C%E5%B0%8B%E4%BA%BA%E5%AD%94%E8%93%8B%E7%9A%84%E5%9C%96%E7%89%87%E6%9C%83%E7%9C%8B%E8%A6%8B%E5%97%AF%E5%BE%88%E5%A4%9A%E4%BA%BA%E5%AD%94%E8%93%8B%E5%86%8D%E4%BB%94%E7%B4%B0%E7%9C%8B%E4%B8%80%E9%BB%9E%E4%BD%A0%E6%9C%83%E7%99%BC%E7%8F%BE%E5%9C%93%E5%BD%A2%E7%9A%84%E4%BA%BA%E5%AD%94%E8%93%8B%E4%BB%A5%E5%A3%93%E5%80%92%E6%80%A7%E7%9A%84%E6%AF%94%E4%BE%8B%E5%87%BA%E7%8F%BE%E5%9C%A8%E9%9B%BB%E8%85%A6%E8%9E%A2%E5%B9%95%E4%B8%8A%E9%80%99%E6%98%AF%E7%82%BA%E4%BB%80%E9%BA%BC%E5%91%A2%E7%AD%94%E6%A1%88%E8%B7%9F/1481127125241642/

人孔蓋為什麼圓形比較多？】... - 數感實驗室Numeracy Lab

我們在數學實驗課中，讓小朋友從保麗龍板割出圓形與正方形，再親手試試看這兩種形狀容不容易穿過去，從中感受各種圓形與方形的特性。

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