Выполните действия 1)(-1/3^3)+22/27. 2)(2/5^2)+11/25. 3)(1,2^2)+2,06. 4)(0,4^4)-1

1) -13/3 + 22/27 = -95/27 = -3 14/27
2) 2/5+ 11/25 = 31/25 = 1 6/25
3) (6/5)^2 + 103/50 = 36/25 + 103/50 = 7/2 = 3 1/2
4)(2/5)^4 -1 = 16/625-1 = -609/625= -0,9744