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两条直线平行条件探究
Author:
袁正铎
Topic:
Geometry
GeoGebra
New Resources
圓的切線方程
祖冲之的期望:内棋与外棋
【案例】圆柱体内放置一个大球六个小球
直線的斜率:水平變化 & 鉛垂變化
画直线等分三角形的面积
Discover Resources
Sequence指令練習(包絡線:拋物線)
藝術著色
圓心
學習活動二之三解的圖形
S2 Angles Related to Rectilinear Figures
Discover Topics
Centroid or Barycenter
Addition
Correlation
Matrices
Curve Sketching