ÁP DỤNG VÙNG CHỌN

3.A ́ P DỤ NG VU ̀ NG CHỌ N                                                      ! " #$ %& '!()*%")$+ , *% &- $ #./0&  &#*% &'*%")+12  /    3%  4% *% &  % 56    "  &    7              %    83  $319  8 : ;<- =" #! .&1>  ! .&  ? &"  @"<A="    A *    /  'B<@  "  3!?C3DE  39E+19  9  ! 1*"& 3!