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Author:
Lin Ching Chieh
GeoGebra
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三位數除以一位數（一）
四邊形的特性
第八周作业
GeoGebra笔记功能体验课件
【案例】2013年安徽高考15题
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整數÷整數_工作紙（一）_題1
畢氏定理動態證明(四塊直角三角形移動)
優良作品1
學測105-2
How to draw a square with ruler and compasses?
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Function Graph
Linear Equations
Trigonometry
Trigonometric Functions
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