運算式 4: "y" equals "f" left parenthesis, "a" , "b" , "x" , right parenthesis times 2 Superscript, StartFraction, negative 1 Over "x" , EndFraction , Baseliney=fa,b,x·2−1x
4
運算式 5: "y" equals "f" left parenthesis, "a" , "b" , "x" , right parenthesisy=fa,b,x
5
運算式 6: "y" equals "a"y=a
equals=
1010
6
運算式 7: "y" equals "b"y=b
equals=
55
7
運算式 8: "y" equals StartRoot, "a" "b" , EndRooty=ab
