Expression 13: "x" squared plus left parenthesis, "y" plus 7.5 , right parenthesis squared less than or equal to 1x2+y+7.52≤1
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Expression 14: "x" squared plus left parenthesis, "y" plus 5 , right parenthesis squared less than or equal to 1x2+y+52≤1
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Expression 15: "x" squared plus left parenthesis, "y" plus 2.5 , right parenthesis squared less than or equal to 1x2+y+2.52≤1
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Expression 16: "x" squared plus "y" squared less than or equal to 1x2+y2≤1
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Expression 17: "x" squared plus left parenthesis, "y" minus 2.5 , right parenthesis squared less than or equal to 1x2+y−2.52≤1
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Expression 18: "x" squared plus left parenthesis, "y" minus 5 , right parenthesis squared less than or equal to 1x2+y−52≤1
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Expression 19: "x" squared plus left parenthesis, "y" minus 7.5 , right parenthesis squared less than or equal to 1x2+y−7.52≤1
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Expression 20: left parenthesis, "x" plus 7 , right parenthesis squared plus "y" squared less than or equal to 1x+72+y2≤1
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Expression 21: left parenthesis, "x" plus 5 , right parenthesis squared plus left parenthesis, "y" plus 2 , right parenthesis squared less than or equal to 1x+52+y+22≤1
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Expression 22: left parenthesis, "x" plus 3 , right parenthesis squared plus left parenthesis, "y" minus 2 , right parenthesis squared less than or equal to 1x+32+y−22≤1
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Expression 23: left parenthesis, "x" minus 3 , right parenthesis squared plus left parenthesis, "y" minus 3 , right parenthesis squared less than or equal to 1x−32+y−32≤1
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Expression 24: left parenthesis, "x" minus 5 , right parenthesis squared plus left parenthesis, "y" plus 3 , right parenthesis squared less than or equal to 1x−52+y+32≤1