问:'/**/and/**/DBMS_PIPE.RECEIVE_MESSAGE('w',2)='w
答:暂未回答
问:#set($c=892075902+913181423)${c}$c
问:expr 895085930 + 840012816
问:'/**/and/**/DBMS_PIPE.RECEIVE_MESSAGE('l',0)='l
问:${(909441854+889445521)?c}