(Abs(x) - Abs(y)) / (1 + Abs(x * y))
((x * x * x + Abs(x * x - 13 * x + 5)) - 11) / Sqr(x + 1)
(Abs(7 + x * (-4 + x * (0 + x * (12 + x * 3 - 13) / (x * x + 1)
(Abs(x) - Abs(y)) / (1 + Abs(x * y))
((x * x * x + Abs(x * x - 13 * x + 5)) - 11) / Sqr(x + 1)
(Abs(7 + x * (-4 + x * (0 + x * (12 + x * 3 - 13) / (x * x + 1)