表达式4: negative left parenthesis, "x" minus StartFraction, 55 Over 17 , EndFraction , right parenthesis plus StartFraction, 14 Over 17 , EndFraction−x−5517+1417
4
表达式5: polygon left parenthesis, left parenthesis, 0 , 0 , right parenthesis , left parenthesis, 0 , 9 fifths , right parenthesis , left parenthesis, StartFraction, 29 Over 15 , EndFraction , 9 fifths , right parenthesis , left parenthesis, StartFraction, 55 Over 17 , EndFraction , StartFraction, 14 Over 17 , EndFraction , right parenthesis , left parenthesis, 17 fifths , 0 , right parenthesis , right parenthesispolygon0,0,0,95,2915,95,5517,1417,175,0
5
标签 left parenthesis, StartFraction, 55 Over 17 , EndFraction , StartFraction, 14 Over 17 , EndFraction , right parenthesis5517,1417