Program BTH; uses crt; var a,b,c,d,max:longint; procedure BTH1; Begin Write(‘a= ‘);readln(a); Write(‘b= ‘);readln(b); Write(‘c= ‘);readln(c); Write(‘d= ‘);readln(d); end; procedure BTH2; Begin max:=a; If max<b then max:=b; If max<c then max:=c; If max<d then max:=d; end; procedure BTH3; Begin writeln(‘So lon nhat trong 4 so tren la: ‘,max); end; Begin clrscr; BTH1; BTH2; BTH3; readln; end.
Var Max, a, b, c, d: Real;
BEGIN
Writeln (‘Nhap gia tri cua 4 so: ‘);
Write (‘a = ‘) ; Readln (a);
Write (‘b = ‘) ; Readln (b);
Write (‘c = ‘) ; Readln (c);
Write (‘d = ‘) ; Readln (d);
Max:= a;
If Max < b Then Max:= b;
If Max < c Then Max:= c;
If Max < d Then Max:= d;
Writeln (‘Gia tri lon nhat la: ‘, Max);
Readln;
END
Program BTH;
uses crt;
var a,b,c,d,max:longint;
procedure BTH1;
Begin
Write(‘a= ‘);readln(a);
Write(‘b= ‘);readln(b);
Write(‘c= ‘);readln(c);
Write(‘d= ‘);readln(d);
end;
procedure BTH2;
Begin
max:=a;
If max<b then max:=b;
If max<c then max:=c;
If max<d then max:=d;
end;
procedure BTH3;
Begin
writeln(‘So lon nhat trong 4 so tren la: ‘,max);
end;
Begin
clrscr;
BTH1;
BTH2;
BTH3;
readln;
end.