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Copy of The Sum of the First n Natural Numbers - Dynamic Proof
Auteur :
Rene A. Ibarra
,
Irina Boyadzhiev
,
Cristina Masotta
,
sonom
This applet gives a dynamic proof of the formula for the sum of the first n natural numbers.
GeoGebra
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Steel Chair
Discriminant of y = ax² + bx + c
Vertical and Oblique Asymptote
Graphs of Rational Expressions
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LZ 8.8.2.3 The Sides and Areas of Tilted Squares
Quad on Coordinate Plane 2 APS
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