!set exolist  =!char 1 to -2 of pnt2eq,parm2eq,perp1,perp2,slope2eq,distpl,distpl2,pntonline,pntonline2,par1,par2,lineonpnt,lineonpnt2,
!set titlelist=!char 1 to -2 of 2 ,̻һ㷽,ֱ I,ֱ II,б,ֱߵľ I,ֱߵľ II,ֱ I,ֱ II,ƽ I,ƽ II,ֱͨ I,ֱͨ II,
!set exototal =!itemcnt $exolist

