表达式16: "y" equals negative 0.1 left parenthesis, "x" minus 9 , right parenthesis squared minus 7 left brace, 15 less than or equal to "x" less than or equal to 17 , right bracey=−0.1x−92−715≤x≤17
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表达式17: 1.5 left parenthesis, "x" , right parenthesis squared plus left parenthesis, "y" plus 55 , right parenthesis squared equals 1200 left brace, "y" less than or equal to negative 23 , right brace1.5x2+y+552=1200y≤−23
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表达式18: "y" equals negative 0.0 0 3 left parenthesis, "x" , right parenthesis squared negative 60 left brace, "y" greater than or equal to negative 62.3 , right bracey=−0.003x2−60y≥−62.3
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表达式19: left parenthesis, "x" minus 12 , right parenthesis squared plus left parenthesis, "y" plus 74 , right parenthesis squared less than or equal to 60x−122+y+742≤60
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表达式20: left parenthesis, "x" plus 12 , right parenthesis squared plus left parenthesis, "y" plus 74 , right parenthesis squared less than or equal to 60x+122+y+742≤60
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表达式21: "y" equals 9 "x" plus 50 left brace, negative 19 less than or equal to "x" less than or equal to negative 15 , right bracey=9x+50−19≤x≤−15
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表达式22: "y" equals 9 "x" minus 40 left brace, negative 9 less than or equal to "x" less than or equal to negative 5.4 , right bracey=9x−40−9≤x≤−5.4
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表达式23: 2 left parenthesis, "y" plus 120 , right parenthesis squared plus left parenthesis, "x" plus 18 , right parenthesis squared less than or equal to 2002y+1202+x+182≤200
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表达式24: "y" equals negative 9 "x" plus 50 left brace, 15 less than or equal to "x" less than or equal to 19 , right bracey=−9x+5015≤x≤19
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表达式25: "y" equals negative 9 "x" minus 40 left brace, 5.4 less than or equal to "x" less than or equal to 9 , right bracey=−9x−405.4≤x≤9
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表达式26: 2 left parenthesis, "y" plus 120 , right parenthesis squared plus left parenthesis, "x" minus 18 , right parenthesis squared less than or equal to 2002y+1202+x−182≤200
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表达式27: "y" equals 0.9 "x" minus 11 left brace, negative 45 less than or equal to "x" less than or equal to negative 19 , right bracey=0.9x−11−45≤x≤−19
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表达式28: "y" equals 0.9 "x" minus 25 left brace, negative 45 less than or equal to "x" less than or equal to negative 27 , right bracey=0.9x−25−45≤x≤−27
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表达式29: "y" equals negative 0.9 "x" minus 11 left brace, 19 less than or equal to "x" less than or equal to 45 , right bracey=−0.9x−1119≤x≤45
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表达式30: "y" equals negative 0.9 "x" minus 25 left brace, 27 less than or equal to "x" less than or equal to 45 , right bracey=−0.9x−2527≤x≤45
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表达式31: left parenthesis, "x" plus 50 , right parenthesis squared plus left parenthesis, "y" plus 60 , right parenthesis squared less than or equal to 133x+502+y+602≤133
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表达式32: left parenthesis, "x" minus 50 , right parenthesis squared plus left parenthesis, "y" plus 60 , right parenthesis squared less than or equal to 133x−502+y+602≤133
