Câu trả lời:
program a;
uses crt;
var i, j: integer;
Begin
clrscr;
for i:=1 to 10 do
begin
for j:=2 to 5 do
begin
write( i:2,' x ',j:2, '= ',i*j:3);
write(' ');
end;
writeln;
end;
writeln;
for i:=1 to 10 do
begin
for j:=6 to 9 do
begin
write( i:2,' x ',j:2,'= ',i*j:3);
write(' ');
end;
writeln;
end;
readln;
end.