運算式 25: "y" equals negative 8 left brace, 5.2 5 less than "x" less than 7.1 4 , right bracey=−85.25<x<7.14
25
運算式 26: ( "x" ) squared plus left parenthesis, "y" plus 1 , right parenthesis squared equals "r" squared left brace, negative 2.7 greater than "y" greater than negative 8 , right brace(x)2+y+12=r2−2.7>y>−8
26
運算式 27: ( "x" ) squared plus left parenthesis, "y" plus 1 , right parenthesis squared equals "r" squared left brace, 2.7 less than "y" less than 73 ninths , right brace(x)2+y+12=r22.7<y<739
27
運算式 28: negative StartAbsoluteValue, "x" , EndAbsoluteValue plus 2 less than "y" left brace, 0 less than "y" less than 2 , right brace left brace, negative 8 less than "x" less than 8 , right brace−x+2<y0<y<2−8<x<8
28
運算式 29: "x" equals 8 left brace, 0 less than "y" less than 5 , right bracex=80<y<5
29
運算式 30: StartFraction, left parenthesis, "x" Superscript, 2 , Baseline plus 48 , right parenthesis Over 8 , EndFraction equals "y" left brace, "y" less than 10 , right brace left brace, "x" less than negative 1 , right bracex2+488=yy<10x<−1
30
運算式 31: StartFraction, left parenthesis, "x" squared plus 40 , right parenthesis Over 5 , EndFraction equals "y" left brace, "y" less than 10 , right brace left brace, "x" greater than 1 , right bracex2+405=yy<10x>1
31
運算式 32: StartFraction, left parenthesis, "x" squared plus 40 , right parenthesis Over 5 , EndFraction equals "y" left brace, "y" less than 10 , right brace left brace, negative 1 greater than "x" , right bracex2+405=yy<10−1>x
32
運算式 33: StartFraction, left parenthesis, "x" Superscript, 2 , Baseline plus 48 , right parenthesis Over 8 , EndFraction equals "y" left brace, "y" less than 10 , right brace left brace, "x" greater than 1 , right bracex2+488=yy<10x>1
33
運算式 34: "y" equals 10 left brace, negative 5.6 5 less than "x" less than negative 3.1 6 5 , right bracey=10−5.65<x<−3.165
34
運算式 35: "y" equals 10 left brace, 5.6 5 greater than "x" greater than 3.1 6 5 , right bracey=105.65>x>3.165
35
運算式 36: 28 "x" squared plus 5 equals "y" left brace, "y" less than 6 , right brace28x2+5=yy<6
36
運算式 37: left parenthesis, 0.3 "x" , right parenthesis plus 8.5 left brace, negative 1.2 5 less than "x" less than 1.2 5 , right brace0.3x+8.5−1.25<x<1.25
37
運算式 38: "x" equals 1.2 5 left brace, 8.4 3 less than "y" less than 8.8 7 , right bracex=1.258.43<y<8.87
38
運算式 39: left parenthesis, 0.8 2 "x" , right parenthesis plus 7.4 equals "y" left brace, 1 less than "x" less than 1.2 5 , right brace0.82x+7.4=y1<x<1.25
39
運算式 40: "x" equals 1 left brace, 8.2 less than "y" less than 8.2 1 , right bracex=18.2<y<8.21
40
運算式 41: StartFraction, left parenthesis, "x" minus 2 , right parenthesis squared plus 20 "x" Over 1 , EndFraction plus StartFraction, left parenthesis, 4 "y" , right parenthesis squared plus "y" minus 2 Over 2 , EndFraction equals 1 left brace, "x" less than negative 9.2 , right bracex−22+20x1+4y2+y−22=1x<−9.2
41
運算式 42: StartFraction, left parenthesis, "x" plus 2 , right parenthesis squared minus 20 "x" Over 1 , EndFraction plus StartFraction, left parenthesis, 4 "y" , right parenthesis squared plus "y" plus 2 Over 2 , EndFraction equals 1 left brace, "x" greater than 9.2 , right bracex+22−20x1+4y2+y+22=1x>9.2
42
運算式 43: StartFraction, left parenthesis, "x" minus 2 , right parenthesis squared plus 20 "x" Over 1 , EndFraction plus StartFraction, left parenthesis, 4 "y" , right parenthesis squared plus "y" minus 2 Over 2 , EndFraction less than 1 left brace, "x" less than negative 9.2 , right bracex−22+20x1+4y2+y−22<1x<−9.2
43
運算式 44: StartFraction, left parenthesis, "x" plus 2 , right parenthesis squared minus 20 "x" Over 1 , EndFraction plus StartFraction, left parenthesis, 4 "y" , right parenthesis squared plus "y" plus 2 Over 2 , EndFraction less than 1 left brace, "x" greater than 9.2 , right bracex+22−20x1+4y2+y+22<1x>9.2
44
運算式 45: StartFraction, left parenthesis, "x" minus 3.3 , right parenthesis squared Over 3 squared , EndFraction plus StartFraction, left parenthesis, "y" plus 11 , right parenthesis squared Over 2.4 squared , EndFraction equals 1x−3.3232+y+1122.42=1
45
運算式 46: StartFraction, left parenthesis, "x" minus 3.3 , right parenthesis squared Over 3 squared , EndFraction plus StartFraction, left parenthesis, "y" plus 11 , right parenthesis squared Over 2.4 squared , EndFraction less than 1x−3.3232+y+1122.42<1
46
運算式 47: StartFraction, left parenthesis, "x" plus 3.3 , right parenthesis squared Over 3 squared , EndFraction plus StartFraction, left parenthesis, "y" plus 11 , right parenthesis squared Over 2.4 squared , EndFraction equals 1x+3.3232+y+1122.42=1
47
運算式 48: StartFraction, left parenthesis, "x" plus 3.3 , right parenthesis squared Over 3 squared , EndFraction plus StartFraction, left parenthesis, "y" plus 11 , right parenthesis squared Over 2.4 squared , EndFraction less than 1x+3.3232+y+1122.42<1
