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D\u00f9 t\u00ecnh ti\u1ebft l\u00e0 g\u00ec \u0111i n\u1eefa th\u00ec gi\u1ea5c m\u01a1 th\u1ea5y g\u00e1i \u0111\u1eb9p ch\u1eafc ch\u1eafn s\u1ebd \u0111\u01b0\u1ee3c m\u01a1 l\u1ea1i nhi\u1ec1u l\u1ea7n, t\u1ea1i nhi\u1ec1u th\u1eddi \u0111i\u1ec3m kh\u00e1c nhau. <\/span><\/p>\nT\u1eeb gi\u1ea5c m\u01a1 ch\u00fang ta s\u1ebd hi\u1ec3u h\u01a1n v\u1ec1 t\u00e2m t\u01b0 t\u00e2m tr\u1ea1ng c\u0169ng nh\u01b0 th\u00f4ng \u0111i\u1ec7p m\u00e0 gi\u1ea5c m\u01a1 mang \u0111\u1ebfn cho ta. H\u01a1n n\u1eefa, s\u1ebd kh\u00e1m ph\u00e1 ra c\u00e1c con s\u1ed1 may m\u1eafn t\u01b0\u01a1ng \u1ee9ng trong gi\u1ea5c m\u01a1.<\/span><\/p>\nM\u01a1 th\u1ea5y g\u00e1i \u0111\u1eb9p \u2013 Gi\u1ea3i m\u00e3 v\u1ec1 c\u00e1c con s\u1ed1<\/span><\/h2>\n<\/p>\n