表达式20: "y" equals 3 left brace, negative 3 less than "x" less than 3 , right bracey=3−3<x<3
20
表达式21: "x" equals negative 11.5 left brace, negative 5 less than "y" less than 0 , right bracex=−11.5−5<y<0
21
表达式22: "x" equals negative 9.5 minus StartRoot, 4 minus "y" squared , EndRoot left brace, 0 less than "y" less than 4 , right bracex=−9.5−4−y20<y<4
22
表达式23: "x" equals 11.5 left brace, negative 5 less than "y" less than 0 , right bracex=11.5−5<y<0
23
表达式24: "x" equals 9.5 plus StartRoot, 4 minus "y" squared , EndRoot left brace, 0 less than "y" less than 4 , right bracex=9.5+4−y20<y<4
24
表达式25: "x" equals 2.8 left brace, 0 less than "y" less than 3 , right bracex=2.80<y<3
25
表达式26: "x" equals negative 1 left brace, negative 15 less than "y" less than negative 11 , right bracex=−1−15<y<−11
26
表达式27: "x" equals negative 4 left brace, negative 15 less than "y" less than negative 10.5 , right bracex=−4−15<y<−10.5
27
表达式28: "y" equals negative 15 left brace, negative 4 less than "x" less than negative 1 , right bracey=−15−4<x<−1
28
表达式29: "x" equals 1 left brace, negative 15 less than "y" less than negative 11 , right bracex=1−15<y<−11
29
表达式30: "x" equals 4 left brace, negative 15 less than "y" less than negative 10.5 , right bracex=4−15<y<−10.5
30
表达式31: "y" equals negative 15 left brace, 1 less than "x" less than 4 , right bracey=−151<x<4
31
表达式32: "x" equals negative 10 minus StartRoot, 12 minus left parenthesis, "y" minus 3.5 , right parenthesis squared , EndRoot left brace, 3.5 less than "y" less than 10 , right bracex=−10−12−y−3.523.5<y<10
32
表达式33: "x" equals 10 plus StartRoot, 12 minus left parenthesis, "y" minus 3.5 , right parenthesis squared , EndRoot left brace, 3.5 less than "y" less than 10 , right bracex=10+12−y−3.523.5<y<10
33
表达式34: "y" equals 20 "x" plus 273 left brace, negative 8 less than "y" less than 4 , right bracey=20x+273−8<y<4
34
表达式35: "y" equals negative 20 "x" plus 273 left brace, negative 8 less than "y" less than 4 , right bracey=−20x+273−8<y<4
35
表达式36: "y" equals 0.5 "x" plus 2 left brace, 5 less than "x" less than 10.5 , right bracey=0.5x+25<x<10.5
36
表达式37: left parenthesis, StartFraction, 1 Over 11 , EndFraction "x" squared plus 9 , right parenthesis left brace, negative 6.2 less than "x" less than 6.2 , right brace111x2+9−6.2<x<6.2
37
表达式38: left parenthesis, "x" , right parenthesis squared plus left parenthesis, "y" minus 20 , right parenthesis squared equals 20x2+y−202=20
38
表达式39: "y" equals 19.5 left brace, 4.5 less than "x" less than 10.5 , right bracey=19.54.5<x<10.5
