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2 câu trả lời

Program baitap;
Uses crt;
Var i:char;
Begin
Clrscr;
For i:='A' to 'Z' do write('  ',i);
Writeln(' ');
For i:='z' downto 'a' do write('  ',i);
Readln
End.

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Đã test code

Var i:char;

Begin

Writeln(‘Ky tu trong bang chu cai tu A-Z la: ‘);

For i:=’A’ to ‘Z’ do write(i:2);

Readln;

End.

`-------`

Var i:char;

Begin

Writeln(‘Ky tu trong bang chu cai tu z-a la: ‘);

For i:=’z’ to ‘a’ do write(i:2);

Readln;

End.