Mathematics, songs, puzzles, illusions, immigration

Friday, 30 January 2009

Brain teaser 19 (solution)

81
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Marcelo at 18:32

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About Me

Marcelo: Love different cultures, different countries, ... Specially those with cold weather... I'm currently focused on my studies to the CFA Level 2 exam (jun/10). Perhaps I'll immigrate to Canada, never been there... Single with no children...

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