運算式 12: "y" equals left parenthesis, negative 0.2 "x" plus 4 , right parenthesis squared plus 83 left brace, "y" less than 89 , right bracey=−0.2x+42+83y<89
12
運算式 13: "y" equals 65 left brace, "x" greater than negative 10 , right brace left brace, "x" less than 7 , right bracey=65x>−10x<7
13
運算式 14: "y" equals 2 "x" plus 85 left brace, "x" less than 0 , right brace left brace, "y" greater than 65 , right bracey=2x+85x<0y>65
14
運算式 15: left parenthesis, "x" minus 20 , right parenthesis squared plus left parenthesis, 1.2 "y" minus 106.8 , right parenthesis squared less than or equal to 15x−202+1.2y−106.82≤15
15
運算式 16: left parenthesis, "x" plus 20 , right parenthesis squared plus left parenthesis, 1.2 "y" minus 106.8 , right parenthesis squared less than or equal to 15x+202+1.2y−106.82≤15
16
運算式 17: left parenthesis, "x" minus 20 , right parenthesis squared plus left parenthesis, 1.2 "y" minus 106.8 , right parenthesis squared less than or equal to 4x−202+1.2y−106.82≤4
17
運算式 18: left parenthesis, "x" plus 20 , right parenthesis squared plus left parenthesis, 1.2 "y" minus 106.8 , right parenthesis squared less than or equal to 4x+202+1.2y−106.82≤4
18
運算式 19: "y" equals 0.0 1 "x" squared plus 31 left brace, "y" less than 51 , right brace left brace, "x" less than 26 , right brace left brace, "x" greater than "b" , right bracey=0.01x2+31y<51x<26x>b
19
運算式 20: "y" equals 0.0 0 3 "x" squared plus 36 left brace, "y" less than 51 , right brace left brace, "x" less than 26 , right brace left brace, "x" greater than "b" , right bracey=0.003x2+36y<51x<26x>b
20
運算式 21: "y" equals negative left parenthesis, "a" "x" positive 4 , right parenthesis squared positive 105 left brace, "x" greater than negative 36 , right brace left brace, "x" less than negative 7 , right bracey=−ax+42+105x>−36x<−7
21
運算式 22: "y" equals negative left parenthesis, "a" "x" negative 4 , right parenthesis squared positive 105 left brace, "x" less than 36 , right brace left brace, "x" greater than 7 , right bracey=−ax−42+105x<36x>7
