Y add 4.89 div sub mul 0.8170000000000001 x_1 mul -2.0 mul add mul 4.1000000000000005 x_3 mul -0.636 exp sub mul -15.600000000000001 abs add 2.07 mul 6.8 x_2 mul 8.06 x_2 inv add 3.33 mul -5.37 x_2 div x_2 x_0