а) (t+m)^2 = t^2 + 2tm + m^2
б) (t-3)^2 = t^2 - 6t + 9
в) (2t+1)^2 = 4t^2 + 4t + 1
г) (3m-2t)^2 = 9m^2 - 12mt + 4t^2
д) (3m^2 + t)^2 = 9m^4 + 6m^2t + t^2
а) (t+m)^2 = t^2 + 2tm + m^2
б) (t-3)^2 = t^2 - 6t + 9
в) (2t+1)^2 = 4t^2 + 4t + 1
г) (3m-2t)^2 = 9m^2 - 12mt + 4t^2
д) (3m^2 + t)^2 = 9m^4 + 6m^2t + t^2