rozwiąż!!!
4a*5b*(-3)c
4a*5b*(-3)c = 20ab * (-3)c = - 60abc
4a*5b*(-3)c =4*5* (-3) (abc)= -60*a*b*c
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4a*5b*(-3)c = 20ab * (-3)c = - 60abc
4a*5b*(-3)c =4*5* (-3) (abc)= -60*a*b*c