So\u1ea1n b\u00e0i: Vi\u1ebft b\u00e0i l\u00e0m v\u0103n s\u1ed1 6: Ngh\u1ecb lu\u1eadn v\u0103n h\u1ecdc (B\u00e0i l\u00e0m \u1edf nh\u00e0)<\/a><\/blockquote><\/iframe>