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作者：
Тетяна Паршенко
GeoGebra
最新資源
Proving Triangles Similar by Dilation
Identify Opposite, Adjacent, Hypotenuse
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Right Triangle Trig Ratios: sin, cos, tan
Two Triangle Theorem
探索資源
Geometry Quickstart Info
matrix-test
Untitled
Toolbox
concurrency map
Area of the region between the graphs of two functions
探索主題
黎曼和（Riemann Sum）
三角函數
二次函數
Pythagoras or Pythagorean Theorem
Plane Figures or Shapes