\u0110\u1ec3 th\u1ef1c hi\u1ec7n t\u1ed1t \u0111\u01b0\u1ee3c m\u1ed9t v\u1ea5n \u0111\u1ec1 g\u00ec, vi\u1ec7c \u0111\u1ea7u ti\u00ean c\u1ee7a b\u1ea1n l\u00e0 ph\u1ea3i n\u1eafm r\u00f5 \u0111\u01b0\u1ee3c b\u1ea3n ch\u1ea5t c\u0169ng nh\u01b0 quy lu\u1eadt c\u1ee7a n\u00f3. L\u00f4 \u0111\u1ec1 c\u0169ng kh\u00f4ng ngo\u1ea1i l\u1ec7.<\/p>\n
V\u1ec1 b\u1ea3n ch\u1ea5t \u0111\u00e1nh l\u00f4 theo \u0111\u1ea7u c\u00e2m l\u00e0 ph\u01b0\u01a1ng ph\u00e1p t\u00ecm ra quy lu\u1eadt xu\u1ea5t hi\u1ec7n c\u1ee7a nh\u1eefng con l\u00f4, c\u1eb7p l\u00f4 s\u1ebd xu\u1ea5t hi\u1ec7n v\u00e0o ng\u00e0y h\u00f4m sau d\u1ef1a tr\u00ean k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 ra ng\u00e0y h\u00f4m tr\u01b0\u1edbc. Ph\u01b0\u01a1ng ph\u00e1p ch\u01a1i n\u00e0y th\u1ec3 hi\u1ec7n s\u1ef1 nh\u1ea1y b\u00e9n c\u0169ng nh\u01b0 t\u01b0 duy t\u00ednh to\u00e1n c\u1ee7a ng\u01b0\u1eddi ch\u01a1i l\u00f4.<\/p>\n
X\u1ed5 s\u1ed1, l\u00f4 \u0111\u1ec1 kh\u00f4ng ho\u00e0n to\u00e0n xu\u1ea5t hi\u1ec7n m\u1ed9t c\u00e1ch ng\u1eabu nhi\u00ean, may r\u1ee7i m\u00e0 d\u1ef1a theo m\u1ed9t quy lu\u1eadt n\u00e0o \u0111\u00f3, \u0111\u01b0\u1ee3c l\u1eb7p \u0111i l\u1eb7p l\u1ea1i h\u1ebft l\u1ea7n n\u00e0y \u0111\u1ebfn l\u1ea7n kh\u00e1c, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 theo m\u1ed9t chu k\u1ef3.<\/p>\n
Ng\u01b0\u1eddi ch\u01a1i gi\u1ecfi hay kh\u00f4ng, may m\u1eafn hay kh\u00f4ng ch\u1ec9 th\u1ec3 hi\u1ec7n \u1edf ch\u1ed7 b\u1ea1n c\u00f3 t\u00ecm ra \u0111\u01b0\u1ee3c quy lu\u1eadt \u0111\u00f3 hay kh\u00f4ng th\u00f4i. N\u1ebfu \u0111\u00e3 c\u00f3 quy lu\u1eadt r\u1ed3i, vi\u1ec7c c\u1ee7a b\u1ea1n ch\u1ec9 l\u00e0 b\u1ecf m\u1ed9t s\u1ed1 ti\u1ec1n ra v\u00e0 thu l\u1ea1i m\u1ed9t s\u1ed1 ti\u1ec1n c\u1ef1c l\u1edbn.<\/p>\n