運算式 7: left parenthesis, "x" plus 2.3 , right parenthesis squared plus left parenthesis, "y" minus 1.7 , right parenthesis squared equals .0 3x+2.32+y−1.72=.03
7
運算式 8: left parenthesis, "x" plus 1.7 , right parenthesis squared plus left parenthesis, "y" minus 1.7 , right parenthesis squared equals .0 3x+1.72+y−1.72=.03
8
運算式 9: left parenthesis, "x" plus 2 , right parenthesis squared plus left parenthesis, "y" plus 2.2 , right parenthesis squared equals 6x+22+y+2.22=6
9
運算式 10: "x" equals 6 left parenthesis, "y" plus 1 , right parenthesis squared minus 5 left brace, negative 1.3 less than "y" less than negative .6 , right bracex=6y+12−5−1.3<y<−.6
10
運算式 11: "x" equals negative 6 left parenthesis, "y" plus 1 , right parenthesis squared plus 1 left brace, negative 1.3 less than "y" less than negative .6 , right bracex=−6y+12+1−1.3<y<−.6
11
運算式 12: left parenthesis, "x" plus 3 , right parenthesis squared plus left parenthesis, "y" plus 5 , right parenthesis squared equals .2x+32+y+52=.2
12
運算式 13: left parenthesis, "x" plus 1 , right parenthesis squared plus left parenthesis, "y" plus 5 , right parenthesis squared equals .2x+12+y+52=.2
