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Parabola, Focus, Directrix
Author:
Steve Phelps
Topic:
Parabola
New Resources
容量與體積：裝箱問題
圆内6个大小不等的小圆
梯形折纸
Exponential Growth & Decay: Quick Modeling Templates
Basic Trig Graphing Open Middle Problem
Discover Resources
PMC 2009-10 Q6
true/orthocenter2.ggb
Transformations_Houthuyzen
Hexagonal Surprise! (GoGeometry Action 85)
Maslow 3bar version 2
Discover Topics
Straight Lines
Similar Triangles
Trigonometric Functions
Rhombus
Real Numbers