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5,090,955 results
A prank I did for April Fool's Day for my math class. I "accidentally" drew on the projector with a whiteboard marker, and get help ...
143,083,094 views
8 years ago
Archimedes proved the area formula for a circle by dividing the shape into infinitesimally small pieces. The concept was behind ...
862,770 views
2 years ago
