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Marcus Hartle

Author:Marcus Hartle

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Sum of Squares: Proof without Words
Focus and Directrix
Mondrian's Puzzle
רישום חופשי
Fractal Tétraèdre. Dilatation -1/2 centre triangles

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Function Manipulator
Hélio Oiticica
Area model and factored form
Contour Plot

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Reflection
Congruence
Stochastic Process or Random Process
Trigonometric Functions
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