N\u1ebfu kh\u00f4ng thi THPTQG: S\u1ebd \u201cb\u00f9ng n\u1ed5\u201d h\u00e0ng lo\u1ea1t ph\u01b0\u01a1ng \u00e1n x\u00e9t tuy\u1ec3n \u0110H m\u1edbi<\/a><\/blockquote><\/iframe>