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Author:
王政凱
GeoGebra
New Resources
折扣
龙形曲线-分形龙
直線的斜率：水平變化 & 鉛垂變化
平行線的判定
盈利與虧蝕
Discover Resources
切3塊拼成正方形
超快國旗
正三角形
moon
加減乘除运算 出题器【有数字键盘】
Discover Topics
Equations
Circumcircle or Circumscribed Circle
Geometry
Logarithmic Functions
Cosine