October 2018 2 30 Report

Przekształć wyrażenie i wpisz wynik w jak najprostrzej postaci. a) 2(a-2b)-7(3a-b)= b) 5(x-y)+2(4x+2y)-3(2x+y)= c) 5(x+2y-3z)-2(4x-3y+z)= d) -(k-m-n)+2(k+2m+3n)-kmn= e) 2p(3p-2r)+3r(p-2r)= PLIISSS DAJE NAJJ


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