3 cô gai TVH mua mot lon pepsi one(loai pepsi khong duong,chi co mot calo trong m0t lon)va ai cung hoi hop cho uong thu.Cac co mo lon pepsi va rot vao 3 cai coc.Roi ca 3 nguoi nhin cham cham vao may cai coc m0t cach nghi ngo
-m0t calo duy nhat nam trong coc nao nhi?Cuoi cung 3 co deu thot len cau hoi