A1:=COST(85);

A2:=COST(15);

A3:=A1-A2;

A4:=(A1+A2)/2;

A5:=A3/A4*100<17;

B1:=COST(95);

B2:=COST(5);

B3:=B1-B2;

B4:=(B1+B2)/2;

B5:=B3/B4*100<18;

BB:=WINNER(CLOSE)*100;

A5 AND B5 AND BB>90;kaiyun