Ch\u01b0\u01a1ng 2 – B\u00e0i 9: Luy\u1ec7n t\u1eadp: C\u1ea5u tr\u00fac v\u00e0 t\u00ednh ch\u1ea5t c\u1ee7a m\u1ed9t s\u1ed1 cacbohi\u0111rat ti\u00eau bi\u1ec3u<\/a><\/blockquote><\/iframe>