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作者：
Heidi Rhodes
GeoGebra
最新資源
Which Quadrilateral is Which?
Graphs of Rational Expressions
Riemann Sums
Sine and Cosine on the Unit Circle
bewijs stelling van Pythagoras
探索資源
A Geometric Proof of Euler's Identity
GeoGebra1
PacMaze2
SYMMETRY OF SIN CURVES
Tiling the Plane
探索主題
黎曼和（Riemann Sum）
Pythagoras or Pythagorean Theorem
積分
二次函數
直線