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Balls in an Urn
Author:
Steve Phelps
Put nine red balls and one blue ball in an urn. Shuffle and take out 3 balls at random. Will all three be red?
GeoGebra
New Resources
bewijs stelling van Pythagoras
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Forming Similar Triangles
Untitled
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Touching_circles_Parallel_segments5
Triangle inscribed in semi-circle
homework1
Projections
Contour Plots
การแก้สมการเชิงเส้น
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Optimization Problems
Dilation
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