表达式3: "f" Subscript, 2 , Baseline left parenthesis, "x" , right parenthesis equals "f" left parenthesis, "x" , right parenthesis times "f" left parenthesis, "x" , right parenthesis times left parenthesis, 3 minus 2 times "f" left parenthesis, "x" , right parenthesis , right parenthesisf2x=fx·fx·3−2·fx
3
表达式4: "e" Subscript, 0 , Baseline equals 0e0=0
negative 10−10
1010
4
表达式5: "e" Subscript, 1 , Baseline equals 1e1=1
negative 10−10
1010
5
表达式6: "c" left parenthesis, "x" , right parenthesis equals "x"cx=x
