運算式 50: 0.1 5 "x" squared plus "y" equals 10 left brace, negative 10.6 1 1 greater than "y" greater than negative 15.3 1 2 5 , right brace0.15x2+y=10−10.611>y>−15.3125
50
運算式 51: "y" equals 0.0 1 "x" squared minus 17 left brace, negative 12.9 9 0 3 8 less than "x" less than 12.9 9 0 3 8 , right bracey=0.01x2−17−12.99038<x<12.99038
