Some issues related with Unified State Examination in Informatics in Russian Federation: July 2018

Friday, July 6, 2018

205)

(x2=>x1)^(y2=>y1)^(y1=>x1) =1
. . . . . . . . .
(x6=>x5)^(y6=>y5)^(y5=>x5) =1

207)

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