2 câu trả lời
uses crt;
var n:integer;
begin
readln(n);
writeln(n*6);
readln
end.
uses crt;
var n,S:integer;
begin
write('nhap n:'); readln(n);
S:=6*n;
writeln(' 6*n=',S);
readln;
end.
uses crt;
var n:integer;
begin
readln(n);
writeln(n*6);
readln
end.
uses crt;
var n,S:integer;
begin
write('nhap n:'); readln(n);
S:=6*n;
writeln(' 6*n=',S);
readln;
end.