Вычислить: 3^4-(-1)^4= (-3 1/3)^3*0.027= (-7)^2*(-2/7)^2=
3^4 - (-1)^4 = 81 - 1 = 80 ( - 10/3)^3*(3/10)^3 = - 1 ( - 7)^2 * ( - 2/7)^2 = (49*4)/49 = 4