運算式 5: "x" equals "a" left brace, "y" less than or equal to "a" squared , right bracex=ay≤a2
5
運算式 6: left parenthesis, "a" , "k" , right parenthesisa,k
6
運算式 7: "k" equals 0.4 7k=0.47
7
運算式 8: 2 left parenthesis, "a" plus StartRoot, "a" squared minus "k" , EndRoot , right parenthesis "x" minus left parenthesis, "a" plus StartRoot, "a" squared minus "k" , EndRoot , right parenthesis squared2a+a2−kx−a+a2−k2
8
運算式 9: 2 left parenthesis, "a" minus StartRoot, "a" squared minus "k" , EndRoot , right parenthesis "x" minus left parenthesis, "a" minus StartRoot, "a" squared minus "k" , EndRoot , right parenthesis squared2a−a2−kx−a−a2−k2
