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Yop17316
@yop17316
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0:34
2 cubed (and why it isn't 6)-8KlJNe
7 years ago
0:25
The mathematics of folding a piece of paper-B_rM_
7 years ago
0:31
An introduction to waves-1Vbv7kAL
7 years ago
0:41
How to draw a tangent to a circle from a point-WHym_d8Qr
7 years ago