Agarkova Elena Anatolyevna teacher MKOU "Children's home No6" in Prokopyevsk ...
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Challenges Collection of logical problemsBasova Svetlana Vladimirovna teacher of mathematics South-Dubrovinskaya SOSHARmizon district of Tyumen region. Task... 0 3k 0July 31, 2011
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Challenges Collection of logical problems1. The square, the circle, the rhombus and the triangle are carved from white, blue... 0 2k 0August 10, 2010
 
		