表达式5: "m" equals StartFraction, left parenthesis, "f" left parenthesis, 2 plus "h" , right parenthesis minus "f" left parenthesis, 2 , right parenthesis , right parenthesis Over "h" , EndFractionm=f2+h−f2h
equals=
7.67.6
5
隐藏 标签 left parenthesis, 2 plus "h" , "f" left parenthesis, 2 plus "h" , right parenthesis , right parenthesis2+h,f2+h
标签
equals=
left parenthesis, 5.6 , 31.3 6 , right parenthesis5.6,31.36
