\u0110\u1ec3 n\u00f3i v\u1ec1 ch\u1ea1m \u0111\u1ec1 th\u00ec ch\u00fang ta c\u00f3 c\u00e1ch b\u1eaft c\u01a1 b\u1ea3n l\u00e0 1 v\u00e0 tr\u1ea3i qua nhi\u1ec1u th\u1eddi k\u1ef3 x\u1ed5 s\u1ed1, c\u00e1c anh em v\u1edbi s\u1ef1 h\u1ed7 tr\u1ee3 c\u1ee7a nhi\u1ec1u c\u00f4ng c\u1ee5 th\u1ed1ng k\u00ea \u0111\u00e3 t\u00ecm ra th\u00eam nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p n\u00e2ng cao hi\u1ec7u qu\u1ea3 h\u01a1n, \u0111o\u00e1n \u0111\u01b0\u1ee3c b\u1ed9 s\u1ed1 chu\u1ea9n h\u01a1n m\u00e0 kh\u00f4ng ph\u1ea3i t\u00e2n th\u1ee7 n\u00e0o c\u0169ng c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng bi\u1ebft \u0111\u01b0\u1ee3c.<\/p>\n