1.Program solonhon;
ues crt;
var a,b:real;
begin
clrscr;
write('nhap so a:');readln(a);
write('nhap so b:');readln(b);
if a>b then writeln('a lon hon');
if b> a then write('b lon hon')
else writeln('a=b');
readln
end.
2.program solonhon;
uses crt;
var a,b,c,d:real;
begin
clrscr;
write('nhap bon so a,b,c,d:'); readln(a,b,c,d);
if (a>b) and (a>c) and (a>d) then writeln('a lon hon')
else if (b>a) and (b>c) and (b>d) then writeln('b lon hon')
else if (c>a) and (c>b) and (c>d) then writeln('c lon hon')
else if (d>a) and (d>b) and (d>c) then writeln('d lon hon')
else write('a=b=c=d');
readln
end.