Find the numbers from 1 to 90 sequentially on this table...
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Mathematical mosaic The same numbers.
With the same numbers, using action signs, write:
0 2k 0December 24, 2010 -
Mysteries. Mathematical puzzles2
Even in ancient Russia, people solved different tasks. For example, in...
0 2k 0August 12, 2010 -
Mysteries. Mathematical puzzles1
One, one, the first stands Antoshka on one leg; he is sought,
0 2k 0August 12, 2010