運算式 5: "f" left parenthesis, "x" , right parenthesis equals negative StartFraction, 31 Over 105 , EndFraction "x" cubed minus 2 thirds "x" squared plus StartFraction, 92 Over 105 , EndFraction "x" plus StartFraction, 23 Over 35 , EndFractionfx=−31105x3−23x2+92105x+2335
5
運算式 6: left parenthesis, "c" , "f" left parenthesis, "c" , right parenthesis , right parenthesis left parenthesis, 1 minus "t" , right parenthesis plus left parenthesis, "c" plus 1 , "f" left parenthesis, "c" , right parenthesis minus 16 , right parenthesis "t"c,fc1−t+c+1,fc−16t
6
運算式 7: left parenthesis, "c" , "f" left parenthesis, "c" , right parenthesis , right parenthesisc,fc
