三军会师

TJ1:=EXIST(CROSS(MA(C,5),MA(C,10)),3);
TJ2:=EXIST(CROSS(MA(C,5),MA(C,20)),3);
TJ3:=CROSS(MA(C,10),MA(C,20));
TJ4:=MA(C,20)>=REF((MA(C,20)),1);
三军会师:TJ1 AND TJ2 AND TJ3 AND TJ4;