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Author:
陳兪宏
奕程老師的幾何問題
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）
兩組對邊相等的四邊形
画直线等分三角形的面积
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常數函數平移(進階)
對稱方波
什麼是除法?
test
試算表畫纏繞畫
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Equations
Step Functions
Linear Functions
Logic
Hyperbola