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期中五-3.1
Author:
俞长家
GeoGebra
New Resources
常见四边形是否是双心四边形
直線的斜率
探究三角形的全等條件
科氏力 (Coriolis Force)
祖冲之的期望：内棋与外棋
Discover Resources
cosine graph 變換
抛物线的参数方程
餘弦公式2
拋物線6--包絡線法
圆的面积展开的副本
Discover Topics
Difference and Slope
Random Experiments
Complex Numbers
Planes
Incircle or Inscribed Circle