AB:=DOWNNDAY(C,3); A1:=DOWNNDAY(C,4); A2:=DOWNNDAY(C,5); A3:=DOWNNDAY(C,6); A4:= AB OR A1 OR A2 OR A3; ��:=(C-REF(C,1))/REF(C,1)*100; B:= ��<=-3.00 ; CA:=COUNT(B,6); XGB:=A4 AND CA; ��������:C>O AND REF(XGB,1);