/images/1041385860215607387/1171766682251972638/chao-mung-den-voi-dia-nguc-cua-ta-chuong-42-c42-hien-thuc-thong-bao-toan-cau.txt?ex=655ddfc3&is=654b6ac3&hm=ba0c1081872965435af9b016733efac015306fc32be39a1e47eb0866c13c5c0b&