а)13а+28а-14а=27аб)27X^2-11X^2-35X^2=-19x^2в)1/2u+1/3u+1/6u=3/6u+2/6u+1/6u=6/6u=uг)1/12v^3+2/3v^3-5/6v^3=1/12v^3+8/12v^3-10/12v^3=-1/12v^3
а)13а+28а-14а=27а
б)-19х^2
в)u
г)-1/12v^3
а)13а+28а-14а=27а
б)27X^2-11X^2-35X^2=-19x^2
в)1/2u+1/3u+1/6u=3/6u+2/6u+1/6u=6/6u=u
г)1/12v^3+2/3v^3-5/6v^3=1/12v^3+8/12v^3-10/12v^3=-1/12v^3
а)13а+28а-14а=27а
б)-19х^2
в)u
г)-1/12v^3