表达式8: left parenthesis, "x" minus 11 , right parenthesis squared plus left parenthesis, "y" plus 11 , right parenthesis squared equals 2x−112+y+112=2
8
表达式9: left parenthesis, "x" minus 13 , right parenthesis squared plus left parenthesis, "y" plus 6 , right parenthesis squared equals 2x−132+y+62=2
9
表达式10: left parenthesis, "x" minus 13 , right parenthesis squared plus left parenthesis, "y" plus 13 , right parenthesis squared equals 2x−132+y+132=2
10
表达式11: left parenthesis, "x" minus 15 , right parenthesis squared plus left parenthesis, "y" plus 15 , right parenthesis squared equals 2x−152+y+152=2
11
表达式12: left parenthesis, "x" minus 15 , right parenthesis squared plus left parenthesis, "y" plus 4 , right parenthesis squared equals 2x−152+y+42=2
12
表达式13: StartFraction, left parenthesis, "x" plus 9 , right parenthesis squared Over 2 , EndFraction plus StartFraction, left parenthesis, "y" plus 10 , right parenthesis squared Over 1 , EndFraction equals 1x+922+y+1021=1
13
表达式14: StartFraction, left parenthesis, "x" plus 5 , right parenthesis squared Over .5 , EndFraction plus StartFraction, left parenthesis, "y" plus 8 , right parenthesis squared Over .5 , EndFraction equals 1x+52.5+y+82.5=1
