German teen Shouryya Ray solves 300-year-old mathematical riddle posed by Sir Isaac Newton - http://t.co/sYCInbfb 0 atbildes

Dainis Sproga
(2012-05-29 14:59:55)
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German teen Shouryya Ray solves 300-year-old mathematical riddle posed by Sir Isaac Newton - http://t.co/sYCInbfb

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