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: 18 min
發音: 華語
發行: 2017-03
導演: 國家教育研究院
片長: 20 min
片長: 123 min
片長: 21 min
發行: 2017-12
片長: 29 min
發行: 2017-06
片長: 93 min
發行: 2017-02
片長: 193 min
發行: 2015-11
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