Удиви меня

D f x 3 3

D f x 3 3D f x 3 3D f x 3 3D f x 3 3D f x 3 3D f x 3 3D f x 3 3D f x 3 3D f x 3 3D f x 3 3D f x 3 3D f x 3 3D f x 3 3D f x 3 3D f x 3 3D f x 3 3D f x 3 3D f x 3 3D f x 3 3D f x 3 3D f x 3 3D f x 3 3D f x 3 3D f x 3 3D f x 3 3D f x 3 3D f x 3 3D f x 3 3D f x 3 3D f x 3 3D f x 3 3D f x 3 3D f x 3 3D f x 3 3D f x 3 3D f x 3 3D f x 3 3D f x 3 3D f x 3 3D f x 3 3D f x 3 3D f x 3 3D f x 3 3D f x 3 3D f x 3 3D f x 3 3D f x 3 3D f x 3 3