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北一女科學111填充2正三角形的旋轉
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学用数学
GeoGebra
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兩組對邊相等的四邊形
GeoGebra笔记功能体验课件
兩位數除以一位數（二）
畫出對稱圖形
兩組對邊相等和有直角的四邊形
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三次曲线
七巧板
銳角、直角和鈍角
Net of a pyramid
勾股定理
Discover Topics
LCM and GCD
Confidence Interval
Angles
Line Segment
Trigonometry