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比較角的大小
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lkkbmaths teachers 檔案儲存用
GeoGebra
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四邉形 (四年級) 教師版
長方體平面投影 (Codex版)
Fibonacci Clock
判斷球體
算柱 (兩位數)
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等腰，角度关系
面積切割
正八面體
「相似三角形」任务2的副本
S3 WS4.3 Q02(3D圖)
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Volume
Histogram
Addition
Line Segment
Linear Equations