表达式6: StartFraction, left parenthesis, "x" minus 10 , right parenthesis squared Over 16 , EndFraction plus StartFraction, left parenthesis, "y" minus 13 , right parenthesis squared Over 0.5 , EndFraction equals 1x−10216+y−1320.5=1
6
表达式7: StartFraction, left parenthesis, "x" minus 10 , right parenthesis squared Over 5 , EndFraction plus StartFraction, left parenthesis, "y" minus 13 , right parenthesis squared Over 0.1 , EndFraction equals 1x−1025+y−1320.1=1
7
表达式8: StartFraction, left parenthesis, "x" minus 10 , right parenthesis squared Over 5 , EndFraction plus StartFraction, left parenthesis, "y" minus 15 , right parenthesis squared Over 0.1 , EndFraction equals 1x−1025+y−1520.1=1
8
表达式9: "x" equals 12.2 3 4x=12.234
negative 10−10
12.3 412.34
9
表达式10: "x" equals 7.7 6x=7.76
negative 10−10
1010
10
表达式11: left parenthesis, "x" minus 10 , right parenthesis squared equals left parenthesis, "y" minus 7 , right parenthesis left brace, "y" less than 8.0 6 , right bracex−102=y−7y<8.06
