表达式5: left parenthesis, "a" plus left parenthesis, "f" left parenthesis, "a" , right parenthesis minus "a" , right parenthesis "t" , "f" left parenthesis, "a" , right parenthesis , right parenthesisa+fa−at,fa
定义域t最小值： 00
less than or equal to "t" less than or equal to≤t≤
定义域t最大值： 11
5
表达式6: left parenthesis, "f" left parenthesis, "a" , right parenthesis , "f" left parenthesis, "a" , right parenthesis plus "t" left parenthesis, "f" left parenthesis, "f" left parenthesis, "a" , right parenthesis , right parenthesis minus "f" left parenthesis, "a" , right parenthesis , right parenthesis , right parenthesisfa,fa+tffa−fa
定义域t最小值： 00
less than or equal to "t" less than or equal to≤t≤
定义域t最大值： 11
6
表达式7: left parenthesis, "f" left parenthesis, "a" , right parenthesis plus "t" left parenthesis, "f" left parenthesis, "f" left parenthesis, "a" , right parenthesis , right parenthesis minus "f" left parenthesis, "a" , right parenthesis , right parenthesis , "f" left parenthesis, "f" left parenthesis, "a" , right parenthesis , right parenthesis , right parenthesisfa+tffa−fa,ffa
定义域t最小值： 00
less than or equal to "t" less than or equal to≤t≤
定义域t最大值： 11
7
表达式8: left parenthesis, "f" left parenthesis, "f" left parenthesis, "a" , right parenthesis , right parenthesis , "f" left parenthesis, "f" left parenthesis, "a" , right parenthesis , right parenthesis plus "t" times left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "a" , right parenthesis , right parenthesis , right parenthesis minus "f" left parenthesis, "f" left parenthesis, "a" , right parenthesis , right parenthesis , right parenthesis , right parenthesisffa,ffa+t·fffa−ffa
定义域t最小值： 00
less than or equal to "t" less than or equal to≤t≤
定义域t最大值： 11
8
表达式9: left parenthesis, "f" left parenthesis, "f" left parenthesis, "a" , right parenthesis , right parenthesis plus "t" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "a" , right parenthesis , right parenthesis , right parenthesis minus "f" left parenthesis, "f" left parenthesis, "a" , right parenthesis , right parenthesis , right parenthesis , "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "a" , right parenthesis , right parenthesis , right parenthesis , right parenthesisffa+tfffa−ffa,fffa
定义域t最小值： 00
less than or equal to "t" less than or equal to≤t≤
定义域t最大值： 11
9
表达式10: left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "a" , right parenthesis , right parenthesis , right parenthesis , "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "a" , right parenthesis , right parenthesis , right parenthesis plus "t" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "a" , right parenthesis , right parenthesis , right parenthesis , right parenthesis minus "f" left parenthesis, "f" left parenthesis, "f" left parenthesis, "a" , right parenthesis , right parenthesis , right parenthesis , right parenthesis , right parenthesisfffa,fffa+tffffa−fffa
定义域t最小值： 00
less than or equal to "t" less than or equal to≤t≤
