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GeoGebra
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Bridge pic.
Author:
Donald Powers
Bridge I worked on, in NYC 1962 to 64. I'm getting old. Took up Math to keep my mind sharp.
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Congruent Complements Theorem
US Roadtrip!
Workspace
Sum of the Angles in a Triangle
Geometry Week 1 Day 2 Lesson Summary
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Equidistant
TriangleAngles
Shape and position of ax^2+bx+c.
Segmenti consecutivi
MaggieBerkley_NumericalInvariants2
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Means
Logarithmic Functions
Division
Geometry
Arithmetic Operations