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螢橋國中80235康瀚
Author:
tan90t
睡形動畫
GeoGebra
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兩組對邊相等和有直角的四邊形
拼砌四邊形
三位數除以一位數（二）
異分母分數減法
GeoGebra笔记功能体验课件
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y=a(x-h)²+k的圖形
[問題] a² + b² = 1, (c-4)² + (d-2)² = 5，求 ad - bc 最大值？
三垂線定理
軌跡練習1
Addition and Subtraction of Directed Numbers (2)
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Continuity
Perimeter
Arithmetic Mean
Rotation
Percentages