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Three way to visualize (prove) the Pythagorean theorem
(
sputsoft.com
)
2 points
by
Sput
on Feb 16, 2010
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past
Useful Properties of the Floor and Ceil Functions
(
sputsoft.com
)
4 points
by
fogus
on Sept 9, 2009
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past
Nice Proof of a Geometric Progression Sum
(
sputsoft.com
)
20 points
by
nreece
on Aug 22, 2009
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8 comments
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