Even in ancient Russia, people solved different tasks. For example, in...
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Mysteries. Mathematical puzzles1
One, one, the first stands Antoshka on one leg; he is sought,
0 2k 0August 12, 2010 -
Mathematical mosaic Magic squares.
Magical square Albrecht Durer on his famous engraving "Melancholia" depicted...
0 2k 0July 31, 2010