運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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
運算式 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