運算式 12: left parenthesis, "x" plus 3 , right parenthesis squared plus left parenthesis, "y" plus 3 , right parenthesis squared equals 1x+32+y+32=1
12
運算式 13: left parenthesis, "x" plus 3 , right parenthesis squared plus left parenthesis, "y" minus 3 , right parenthesis squared equals 1x+32+y−32=1
13
運算式 14: left parenthesis, "x" plus 4 , right parenthesis squared plus "y" squared equals 1x+42+y2=1
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運算式 15: "x" squared plus left parenthesis, "y" minus 4 , right parenthesis squared equals 1x2+y−42=1
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運算式 16: "x" squared plus left parenthesis, "y" plus 4 , right parenthesis squared equals 1x2+y+42=1
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運算式 17: StartFraction, left parenthesis, "x" minus 4 , right parenthesis squared Over 1 , EndFraction plus StartFraction, left parenthesis, "y" minus 2 , right parenthesis squared Over StartRoot, 9 , EndRoot , EndFraction equals 1x−421+y−229=1
17
運算式 18: StartFraction, left parenthesis, "x" minus 4 , right parenthesis squared Over 1 , EndFraction plus StartFraction, left parenthesis, "y" plus 2 , right parenthesis squared Over StartRoot, 9 , EndRoot , EndFraction equals 1x−421+y+229=1
18
運算式 19: "y" equals negative "x" plus 5 left brace, negative 3 less than "x" less than 0 , right bracey=−x+5−3<x<0
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運算式 20: "y" equals "x" plus 11 left brace, negative 8 less than "x" less than negative 3 , right bracey=x+11−8<x<−3
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運算式 21: "x" equals "y" plus 5 left brace, negative 3 less than "x" less than 0 , right bracex=y+5−3<x<0
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運算式 22: "y" equals negative "x" minus 11 left brace, negative 8 less than "x" less than negative 3 , right bracey=−x−11−8<x<−3
