觀看人次：
1260
以有趣的故事引導觀眾進入主題，內容涵蓋1.三角形的面績2.分小數換算3.比的應用4.圓面積。(本片由國立教育研究院提供)
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分級:
片長:
發音:
發行:
導演:
分級: 普遍級
片長: 5 min
發音: 華語
發行: 2023-01
導演: 製作：百禾文化資訊有限公司導演：簡信彥
片長: 15 min
發行: 2016-05
導演: 國家教育研究院
片長: 25 min
發行: 2017-12
片長: 26 min
發行: 2016-12
片長: 38 min
片長: 16 min
片長: 69 min
發行: 2010-10
導演: 國立教育資料館
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