表达式13: StartFraction, left parenthesis, "y" plus 13 , right parenthesis Over 1.5 , EndFraction squared plus left parenthesis, "x" , right parenthesis squared equals .5 left brace, "y" greater than negative 12.9 , right bracey+131.52+x2=.5y>−12.9
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表达式14: "y" squared plus StartFraction, "x" minus 45 Over 1.4 , EndFraction squared equals 138y2+x−451.42=138
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表达式15: "y" squared plus StartFraction, "x" minus 45 Over 1.4 , EndFraction squared equals 70y2+x−451.42=70
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表达式16: "y" squared plus StartFraction, "x" minus 45 Over 1.4 , EndFraction squared equals 35y2+x−451.42=35
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表达式17: left parenthesis, "x" minus 42 , right parenthesis squared plus StartFraction, "y" Over 2 , EndFraction squared equals 2x−422+y22=2
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表达式18: left parenthesis, "x" minus 48 , right parenthesis squared plus StartFraction, "y" Over 2 , EndFraction squared equals 2x−482+y22=2
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表达式19: left parenthesis, "x" minus 48 , right parenthesis squared plus StartFraction, left parenthesis, "y" minus 1 , right parenthesis Over 2 , EndFraction squared equals .5x−482+y−122=.5
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表达式20: left parenthesis, "x" minus 42 , right parenthesis squared plus StartFraction, left parenthesis, "y" minus 1 , right parenthesis Over 2 , EndFraction squared equals .5x−422+y−122=.5
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表达式21: "x" equals 48 left brace, negative 27 less than "y" less than negative 11.3 9 5 , right bracex=48−27<y<−11.395
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表达式22: "x" equals 42 left brace, negative 27 less than "y" less than negative 11.3 9 5 , right bracex=42−27<y<−11.395
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表达式23: "y" equals negative 27 left brace, 42 less than "x" less than 48 , right bracey=−2742<x<48
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表达式24: StartFraction, left parenthesis, "x" minus 35.4 , right parenthesis Over 2 , EndFraction squared plus left parenthesis, "y" plus 20 , right parenthesis squared equals 10x−35.422+y+202=10
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表达式25: StartFraction, left parenthesis, "x" minus 54.4 , right parenthesis Over 2 , EndFraction squared plus left parenthesis, "y" plus 20 , right parenthesis squared equals 10x−54.422+y+202=10
