1)program chik2;var a,b,c:real;beginreadln(a,b);if(a<b)then beginc:=a;a:=(a+b)/2;b:=b*c;end;if(a>=b)then beginc:=b;b:=(a+b)/2;a:=a*c;end;writeln(a,' ',b);end.2)program chik;var a,x,b:real;beginreadln(a,b);if(a=0)and(b<>0)then writeln('НЕТ решений');if(a<>0)then begin x:=-b/a;writeln(x);end;end.3)program chik3;var a,b:real;beginreadln(a,b);if(a<b)then a:=a*2 else if(b<a)then b:=b*2;writeln(a,' ',b);end.