procedure TForm1.Button1Click(Sender: TObject);var a,b,c,max:real;begin readln(a,b,c); if a > B then max:=a else max:=b; if c>max then max:=b; writeln ('max=' ,max);end;end.不止这个代码,有时候照着书做其它的也会出现,请问是Delphi7软件有问题还是代码有问题?