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ie 5
Author:
LAM YU SANG
GeoGebra
New Resources
兩位數加法
異分母分數減法
找出對稱軸
GeoGebra笔记功能体验课件
柱體建築師
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切線斜率
Pythagorean Triples 畢氏數組
探究判定全等三角形的条件（ SSA? & HL！）
折线匀速动点工具
点、线、角
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Random Experiments
Pyramid
Special Points
Curve Sketching
Sequences and Series