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dr who

Author:David Kelso

Dr who construction with one or two tweaks

New Resources

Billard V5.2 and V6
Linear Systems + Relationships Between Coefficients and Solutions
montecarlo circles 5
Visualizing the Pythagorean Identity with Sine and Cosine
函數的奇偶性

Discover Resources

trovaXY
Exploring Proportions in Triangles
Op-Art
TRANSFORMATION OF FUNCTIONS
Demostració geomètrica del Teorema de Pitàgores.
Square Properties

Discover Topics

Line Segment
Rhombus
Polynomial Functions
Secant Line or Secant
Similar Triangles

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