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waaachen
Author:
陳兪宏
吳孟哲老師解法
GeoGebra
New Resources
垂直線的斜率
常见四边形是否是双心四边形
直線的斜率：水平變化 & 鉛垂變化
空间中两直线的位置关系
漂亮的摇摆曲线
Discover Resources
研習講義
優良作品6(沛綺)
Pythagorean Theorem Proof: Shearing
Locus (Two points 1)
圓餅圖的副本
Discover Topics
Stochastic Process or Random Process
Polynomial Functions
Similar Triangles
Tree Diagrams
Straight Lines