運算式 11: "u" equals StartFraction, left parenthesis, "x" Subscript, 1 , Baseline plus "x" Subscript, 2 , Baseline plus "x" Subscript, 3 , Baseline , right parenthesis Over 3 , EndFractionu=x1+x2+x33
11
運算式 12: left parenthesis, "u" , "f" left parenthesis, "u" , right parenthesis , right parenthesisu,fu
12
運算式 13: "y" equals left parenthesis, ln left parenthesis, "u" , right parenthesis plus 1 , right parenthesis left parenthesis, "x" minus "u" , right parenthesis plus "f" left parenthesis, "u" , right parenthesisy=lnu+1x−u+fu
13
運算式 14: left parenthesis, "u" , StartFraction, left parenthesis, "f" left parenthesis, "x" Subscript, 1 , Baseline , right parenthesis plus "f" left parenthesis, "x" Subscript, 2 , Baseline , right parenthesis plus "f" left parenthesis, "x" Subscript, 3 , Baseline , right parenthesis , right parenthesis Over 3 , EndFraction , right parenthesisu,fx1+fx2+fx33
14
運算式 15: left parenthesis, 0 , 0 , right parenthesis0,0
