/images/1041385860215607387/1208928367072772116/toan-cau-bang-phoi-toan-cau-sup-do-chuong-119-hang-minh-trung-hoc.txt?ex=65e51147&is=65d29c47&hm=844cc9c71cdec34af647c49961dee76f4aba6a6350fb5938d70358de428c9d25&