October 2018 2 14 Report

matematyka z plusem klasa 6 podrecznik str 190 zadanie 5 :

zredukuj wyrazy podobne i oblicz wartosc wyrazenia:

a)-5t+t-6-7t+8t+2+2t= dla t=-3,2

b)-7x+6y+3x-2y+x-3y= dla x=-2/3 a y to 4/7 daje naj pomocy


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