表达式50: negative StartFraction, 2.5 Over 3 , EndFraction "x" minus 4 less than or equal to "y" less than or equal to negative 2 left brace, 1.5 less than or equal to "x" less than or equal to 2.5 5 , right brace−2.53x−4≤y≤−21.5≤x≤2.55
50
表达式51: "y" plus 2 equals negative 1 fifth "x" plus .3 left brace, .4 2 8 6 less than or equal to "x" less than or equal to 1.5 , right bracey+2=−15x+.3.4286≤x≤1.5
51
表达式52: negative StartFraction, 2.5 Over 3 , EndFraction "x" minus 4 less than or equal to "y" less than or equal to negative 1 fifth "x" plus negative 1.7 left brace, 0.4 3 less than or equal to "x" less than or equal to 1.5 , right brace−2.53x−4≤y≤−15x+−1.70.43≤x≤1.5
52
表达式53: "y" equals 1 half "x" minus 2 left brace, .4 2 8 6 less than or equal to "x" less than or equal to 2 , right bracey=12x−2.4286≤x≤2
53
表达式54: "y" plus 1 equals negative 1 fifth "x" plus 2 fifths left brace, 2 less than or equal to "x" less than or equal to 3 , right bracey+1=−15x+252≤x≤3
54
表达式55: "y" plus 3 equals negative StartFraction, 1.8 Over .5 , EndFraction "x" plus 12.6 left brace, 3 less than or equal to "x" less than or equal to 3.5 , right bracey+3=−1.8.5x+12.63≤x≤3.5
55
表达式56: "x" equals negative 5 left brace, negative .5 less than or equal to "y" less than or equal to 1 , right bracex=−5−.5≤y≤1
56
表达式57: "y" minus 1 equals negative 1 half "x" minus 2.5 left brace, negative 5 less than or equal to "x" less than or equal to negative 4 , right bracey−1=−12x−2.5−5≤x≤−4
57
表达式58: "x" plus 4.5 less than or equal to "y" less than or equal to negative 1 half "x" minus 1.5 left brace, negative 4 greater than or equal to "x" greater than or equal to negative 5 , right bracex+4.5≤y≤−12x−1.5−4≥x≥−5
58
表达式59: "y" plus .5 equals "x" plus 5 left brace, negative .5 less than or equal to "y" less than or equal to .5 , right bracey+.5=x+5−.5≤y≤.5
59
表达式60: "x" equals negative .5 left brace, 2.5 less than or equal to "y" less than or equal to 4 , right bracex=−.52.5≤y≤4
60
表达式61: "y" equals 4 left brace, negative .5 less than or equal to "x" less than or equal to 1 , right bracey=4−.5≤x≤1
61
表达式62: "x" plus 3 less than or equal to "y" less than or equal to 4 left brace, 1 greater than or equal to "x" greater than or equal to negative 0.5 , right bracex+3≤y≤41≥x≥−0.5
62
表达式63: "y" minus 2.5 equals "x" plus .5 left brace, 2.5 less than or equal to "y" less than or equal to 4 , right bracey−2.5=x+.52.5≤y≤4
63
表达式64: "y" equals negative StartFraction, 3.2 5 Over 1.5 , EndFraction "x" plus 6.5 left brace, negative 3.2 5 less than or equal to "y" less than or equal to 0 , right bracey=−3.251.5x+6.5−3.25≤y≤0
64
表达式65: StartFraction, negative .2 5 Over 1 , EndFraction "x" minus 2.1 2 5 less than or equal to "y" less than or equal to negative StartFraction, 3.2 5 Over 1.5 , EndFraction "x" plus 6.5 left brace, 3.5 less than or equal to "x" less than or equal to 4.5 , right brace−.251x−2.125≤y≤−3.251.5x+6.53.5≤x≤4.5
65
表达式66: negative StartFraction, 1.8 Over .5 , EndFraction "x" plus 9.6 less than or equal to "y" less than or equal to negative StartFraction, 3.2 5 Over 1.5 , EndFraction "x" plus 6.5 left brace, 3 less than or equal to "x" less than or equal to 3.5 , right brace−1.8.5x+9.6≤y≤−3.251.5x+6.53≤x≤3.5
66
表达式67: "y" minus 2 equals negative 1 left parenthesis, "x" plus 3.5 , right parenthesis left brace, negative 3.2 5 greater than or equal to "x" greater than or equal to negative 4.0 5 , right bracey−2=−1x+3.5−3.25≥x≥−4.05
67
表达式68: "x" plus 6.6 greater than or equal to "y" greater than or equal to negative 1 "x" minus 1.5 left brace, negative 4 less than or equal to "x" less than or equal to negative 3.8 , right bracex+6.6≥y≥−1x−1.5−4≤x≤−3.8
68
表达式69: "y" equals "x" plus 6.6 left brace, negative 3.5 5 less than or equal to "x" less than or equal to negative 3.3 , right bracey=x+6.6−3.55≤x≤−3.3
69
表达式70: "y" minus 2 equals negative 1 left parenthesis, "x" plus 3 , right parenthesis left brace, negative 3.8 less than or equal to "x" less than or equal to negative 3 , right bracey−2=−1x+3−3.8≤x≤−3
70
表达式71: "y" equals "x" plus 5 left brace, negative 3.2 5 less than or equal to "x" less than or equal to negative 3 , right bracey=x+5−3.25≤x≤−3
71
表达式72: negative 1 "x" minus 1 greater than or equal to "y" greater than or equal to "x" plus 5 left brace, negative 3 greater than or equal to "x" greater than or equal to negative 3.2 5 , right brace−1x−1≥y≥x+5−3≥x≥−3.25
72
表达式73: negative 1 "x" minus 1 greater than or equal to "y" greater than or equal to negative 1 "x" minus 1.5 left brace, negative 3.2 5 greater than or equal to "x" greater than or equal to negative 3.8 , right brace−1x−1≥y≥−1x−1.5−3.25≥x≥−3.8
73
表达式74: "y" minus 2 equals negative 1 left parenthesis, "x" plus 4 , right parenthesis left brace, negative 4.3 less than or equal to "x" less than or equal to negative 3.5 , right bracey−2=−1x+4−4.3≤x≤−3.5
74
表达式75: "y" minus 2 equals negative 1 left parenthesis, "x" plus 4.5 , right parenthesis left brace, negative 4.5 5 less than or equal to "x" less than or equal to negative 3.7 5 , right bracey−2=−1x+4.5−4.55≤x≤−3.75
75
表达式76: negative 1 "x" minus 2 greater than or equal to "y" greater than or equal to negative 1 "x" minus 2.5 left brace, negative 3.7 5 greater than or equal to "x" greater than or equal to negative 4.3 , right brace−1x−2≥y≥−1x−2.5−3.75≥x≥−4.3
76
表达式77: "y" equals "x" plus 6.6 left brace, negative 4.5 5 less than or equal to "x" less than or equal to negative 4.3 , right bracey=x+6.6−4.55≤x≤−4.3
77
表达式78: "y" equals "x" plus 5 left brace, negative 3.7 5 less than or equal to "x" less than or equal to negative 3.5 , right bracey=x+5−3.75≤x≤−3.5
78
表达式79: negative 1 "x" minus 2 greater than or equal to "y" greater than or equal to "x" plus 5 left brace, negative 3.7 5 less than or equal to "x" less than or equal to negative 3.5 , right brace−1x−2≥y≥x+5−3.75≤x≤−3.5
79
表达式80: negative 1 "x" minus 2.5 less than or equal to "y" less than or equal to "x" plus 6.6 left brace, negative 4.3 greater than or equal to "x" greater than or equal to negative 4.5 5 , right brace−1x−2.5≤y≤x+6.6−4.3≥x≥−4.55
80
表达式81: "y" minus 2 equals negative 1 left parenthesis, "x" plus 2.5 , right parenthesis left brace, negative 3.5 5 less than or equal to "x" less than or equal to negative 2.7 5 , right bracey−2=−1x+2.5−3.55≤x≤−2.75
81
表达式82: "y" minus 2 equals negative 1 left parenthesis, "x" plus 2 , right parenthesis left brace, negative 3.3 less than or equal to "x" less than or equal to negative 2.5 , right bracey−2=−1x+2−3.3≤x≤−2.5
82
表达式83: negative 1 "x" minus .5 less than or equal to "y" less than or equal to negative 1 "x" left brace, negative 2.7 5 greater than or equal to "x" greater than or equal to negative 3.3 , right brace−1x−.5≤y≤−1x−2.75≥x≥−3.3
83
表达式84: "x" plus 6.6 greater than or equal to "y" greater than or equal to negative 1 "x" minus 0.5 left brace, negative 3.5 5 less than or equal to "x" less than or equal to negative 3.3 , right bracex+6.6≥y≥−1x−0.5−3.55≤x≤−3.3
84
表达式85: "y" equals "x" plus 6.6 left brace, negative 4.0 5 less than or equal to "x" less than or equal to negative 3.8 , right bracey=x+6.6−4.05≤x≤−3.8
85
表达式86: "y" equals "x" plus 5 left brace, negative 2.7 5 less than or equal to "x" less than or equal to negative 2.5 , right bracey=x+5−2.75≤x≤−2.5
86
表达式87: negative 1 "x" greater than or equal to "y" greater than or equal to "x" plus 5 left brace, negative 2.7 5 less than or equal to "x" less than or equal to negative 2.5 , right brace−1x≥y≥x+5−2.75≤x≤−2.5
87
表达式88: "y" equals 4 left brace, negative 1.8 less than or equal to "x" less than or equal to negative 1.4 , right bracey=4−1.8≤x≤−1.4
88
表达式89: 2.8 less than or equal to "y" less than or equal to 4 left brace, negative 1.8 less than or equal to "x" less than or equal to negative 1.4 , right brace2.8≤y≤4−1.8≤x≤−1.4
89
表达式90: "y" equals 4 left brace, negative 1.2 less than or equal to "x" less than or equal to negative .8 , right bracey=4−1.2≤x≤−.8
90
表达式91: 2.8 less than or equal to "y" less than or equal to 4 left brace, negative 1.2 less than or equal to "x" less than or equal to negative 0.8 , right brace2.8≤y≤4−1.2≤x≤−0.8
91
表达式92: "y" equals 2.8 left brace, negative 1.2 less than or equal to "x" less than or equal to negative .8 , right bracey=2.8−1.2≤x≤−.8
92
表达式93: "y" equals 2.8 left brace, negative 1.8 less than or equal to "x" less than or equal to negative 1.4 , right bracey=2.8−1.8≤x≤−1.4
93
表达式94: "y" equals 2.8 left brace, negative 2.4 less than or equal to "x" less than or equal to negative 2 , right bracey=2.8−2.4≤x≤−2
94
表达式95: "x" equals negative 2.4 left brace, 4 greater than or equal to "y" greater than or equal to 2.8 , right bracex=−2.44≥y≥2.8
95
表达式96: "x" equals negative 2 left brace, 4 greater than or equal to "y" greater than or equal to 2.8 , right bracex=−24≥y≥2.8
96
表达式97: "x" equals negative 1.8 left brace, 4 greater than or equal to "y" greater than or equal to 2.8 , right bracex=−1.84≥y≥2.8
97
表达式98: "x" equals negative 1.4 left brace, 4 greater than or equal to "y" greater than or equal to 2.8 , right bracex=−1.44≥y≥2.8
98
表达式99: "x" equals negative 1.2 left brace, 4 greater than or equal to "y" greater than or equal to 2.8 , right bracex=−1.24≥y≥2.8
99
表达式100: "x" equals negative .8 left brace, 4 greater than or equal to "y" greater than or equal to 2.8 , right bracex=−.84≥y≥2.8