September 2018 1 43 Report

prosze o pomoc w proporcjach .a)2/x=3/x-1 b)4/x+1=5/x c)3/5=2x-1/2-5x d)2x+1/1-2x=2/3 e)0,4x-1/3=2x-5/2 f)4+x do kwadratu/x=2x-1/2 bardzo dziekuje


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