表达式13: left parenthesis, "x" minus 17 , right parenthesis squared plus left parenthesis, "y" minus 12 , right parenthesis squared equals 29x−172+y−122=29
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表达式14: "y" equals negative 0.7 left parenthesis, "x" plus negative 26 , right parenthesis left brace, negative 15 less than or equal to "x" less than or equal to 13.8 , right brace left brace, negative 15 less than or equal to "y" less than or equal to 13.8 , right bracey=−0.7x+−26−15≤x≤13.8−15≤y≤13.8
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表达式15: "y" equals negative 0.7 left parenthesis, "x" plus negative 26 , right parenthesis left brace, negative 15 less than or equal to "x" less than or equal to 13.7 , right brace left brace, negative 15 less than or equal to "y" less than or equal to 13.7 , right bracey=−0.7x+−26−15≤x≤13.7−15≤y≤13.7
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表达式16: "y" equals negative 0.7 left parenthesis, "x" plus negative 26 , right parenthesis left brace, negative 15 less than or equal to "x" less than or equal to 13.8 , right brace left brace, negative 15 less than or equal to "y" less than or equal to 17.6 , right bracey=−0.7x+−26−15≤x≤13.8−15≤y≤17.6
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表达式17: "x" equals 13.8 left brace, negative 15 less than or equal to "y" less than or equal to 8.5 , right brace left brace, 0 less than or equal to "y" less than or equal to 13.8 , right bracex=13.8−15≤y≤8.50≤y≤13.8
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表达式18: "x" equals 13.7 8 left brace, negative 15 less than or equal to "y" less than or equal to 8.5 5 6 , right brace left brace, negative 1.9 less than or equal to "y" less than or equal to 13.8 , right bracex=13.78−15≤y≤8.556−1.9≤y≤13.8
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表达式19: "y" equals negative 1.5 "x" plus 19 left brace, 1 less than or equal to "x" less than or equal to 13.7 8 , right bracey=−1.5x+191≤x≤13.78
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表达式20: left parenthesis, "x" minus 17.9 , right parenthesis squared plus left parenthesis, "y" minus 14 , right parenthesis squared equals .5x−17.92+y−142=.5
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表达式21: left parenthesis, "x" minus 17.8 , right parenthesis squared plus left parenthesis, "y" minus 14 , right parenthesis squared equals .5x−17.82+y−142=.5
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表达式22: left parenthesis, "x" minus 17.9 , right parenthesis squared plus left parenthesis, "y" minus 14 , right parenthesis squared equals .3 6x−17.92+y−142=.36
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表达式23: left parenthesis, "x" minus 17.8 , right parenthesis squared plus left parenthesis, "y" minus 14 , right parenthesis squared equals .4x−17.82+y−142=.4
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表达式24: left parenthesis, "x" minus 17.8 , right parenthesis squared plus left parenthesis, "y" minus 14 , right parenthesis squared equals .3x−17.82+y−142=.3
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表达式25: left parenthesis, "x" minus 17.8 , right parenthesis squared plus left parenthesis, "y" minus 14 , right parenthesis squared equals .2x−17.82+y−142=.2
