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linear function
Author:
chan hei
GeoGebra
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平行線的判定
活动三：应用性质
科赫雪花
直線的斜率：水平變化 & 鉛垂變化
正方形雪花图案
Discover Resources
正多邊形收斂
正方體一筆畫
Probability of forming a triangle
Graph of Cosine
圓錐曲線Conic Section
Discover Topics
Triangles
Trapezoid
Integral Calculus
Right Triangles
Curve Sketching