October 2018 1 16 Report

rozwiąż układy ruwnan a ) x+y=0 x-y=10 b ) 8x-6y=10 7x+y=5 c ) 12p-7r=-16 p-3r=-69 d ) 11k+17l=45 13k+l=15 e ) 8a+9b=36 a-16b=210 F ) 6a-21B=228 a-12b=21 błagam nz dzis</p


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