Gi\u1ea3i t\u00edch – Ch\u01b0\u01a1ng 1 – B\u00e0i 3: Gi\u00e1 tr\u1ecb l\u1edbn nh\u1ea5t v\u00e0 gi\u00e1 tr\u1ecb nh\u1ecf nh\u1ea5t c\u1ee7a h\u00e0m s\u1ed1<\/a><\/blockquote><\/iframe>