– M\u1ed9t s\u1ed1 kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n: <\/p>\n\n\n\n
+ B\u1ea3n \u0111\u1ed3 l\u00e0 h\u00ecnh \u1ea3nh thu nh\u1ecf m\u1ed9t ph\u1ea7n hay to\u00e0n b\u1ed9 Tr\u00e1i \u0110\u1ea5t l\u00ean m\u1eb7t \nph\u1eb3ng, tr\u00ean c\u01a1 s\u1edf to\u00e1n h\u1ecdc nh\u1eb1m th\u1ec3 hi\u1ec7n c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng \u0111\u1ecba l\u00ed t\u1eeb m\u1eb7t \n\u0111\u1ea5t l\u00ean m\u1eb7t ph\u1eb3ng th\u00f4ng qua h\u1ec7 th\u1ed1ng c\u00e1c k\u00ed hi\u1ec7u ri\u00eang c\u00f3 ch\u1ecdn l\u1ecdc.<\/p>\n\n\n\n
+ Ph\u00e9p chi\u1ebfu h\u00ecnh b\u1ea3n \u0111\u1ed3 l\u00e0 c\u00e1ch bi\u1ec3u th\u1ecb m\u1eb7t cong c\u1ee7a Tr\u00e1i \u0110\u1ea5t \nl\u00ean m\u1ed9t m\u1eb7t ph\u1eb3ng \u0111\u1ec3 m\u1ed7i \u0111i\u1ec3m tr\u00ean m\u1eb7t cong t\u01b0\u01a1ng \u1ee9ng v\u1edbi m\u1ed9t \u0111i\u1ec3m tr\u00ean \nm\u1eb7t ph\u1eb3ng.<\/p>\n\n\n\n
– C\u00e1c th\u00e0nh l\u1eadp b\u1ea3n \u0111\u1ed3: \u0110\u1ec3 th\u00e0nh l\u1eadp b\u1ea3n \u0111\u1ed3 ng\u01b0\u1eddi ta ph\u1ea3i d\u00f9ng c\u00e1c \nph\u00e9p chi\u1ebfu h\u00ecnh b\u1ea3n \u0111\u1ed3 \u0111\u1ec3 th\u1ec3 hi\u1ec7n Tr\u00e1i \u0110\u1ea5t ho\u1eb7c m\u1ed9t ch\u00e2u l\u1ee5c, m\u1ed9t qu\u1ed1c \ngia v\u00f9ng l\u00e3nh th\u1ed5 n\u00e0o \u0111\u00f3 l\u00ean b\u1ea3n \u0111\u1ed3.<\/p>\n\n\n\n
– \u1ee8ng v\u1edbi m\u1ed7i d\u1ea1ng b\u1ea3n \u0111\u1ed3 ng\u01b0\u1eddi ta d\u00f9ng m\u1ed9t ph\u00e9p chi\u1ebfu h\u00ecnh b\u1ea3n \u0111\u1ed3 \nt\u01b0\u01a1ng \u1ee9ng \u0111\u1ec3 th\u00e0nh l\u1eadp, c\u00f3 ph\u00e9p chi\u1ebfu th\u00e0nh l\u1eadp b\u1ea3n \u0111\u1ed3 ch\u00ednh x\u00e1c v\u1ec1 di\u1ec7n\n t\u00edch, c\u00f3 ph\u00e9p chi\u1ebfu h\u00ecnh th\u00e0nh l\u1eadp b\u1ea3n \u0111\u1ed3 ch\u00ednh x\u00e1c v\u1ec1 h\u00ecnh d\u1ea1ng l\u00e3nh \nth\u1ed5.<\/p>\n\n\n\n
– C\u00f3 3 ph\u00e9p chi\u1ebfu h\u00ecnh b\u1ea3n \u0111\u1ed3 c\u01a1 b\u1ea3n l\u00e0: Ph\u00e9p chi\u1ebfu ph\u01b0\u01a1ng v\u1ecb, ph\u00e9p chi\u1ebfu h\u00ecnh n\u00f3n v\u00e0 ph\u00e9p chi\u1ebfu h\u00ecnh tr\u1ee5.<\/ins><\/p>\n\n\n\n – Kh\u00e1i ni\u1ec7m: Ph\u00e9p chi\u1ebfu ph\u01b0\u01a1ng v\u1ecb l\u00e0 ph\u01b0\u01a1ng ph\u00e1p th\u1ec3 hi\u1ec7n m\u1ea1ng l\u01b0\u1edbi kinh, v\u0129 tuy\u1ebfn c\u1ee7a m\u1eb7t c\u1ea7u l\u00ean m\u1eb7t ph\u1eb3ng.<\/p>\n\n\n\n – C\u00e1ch th\u1ec3 hi\u1ec7n: V\u1ecb tr\u00ed ti\u1ebfp x\u00fac kh\u00e1c nhau c\u00f3 ph\u00e9p chi\u1ebfu ph\u01b0\u01a1ng v\u1ecb \nkh\u00e1c nhau: c\u00f3 3 ph\u00e9p chi\u1ebfu ph\u01b0\u01a1ng v\u1ecb \u0111\u00f3 l\u00e0: Ph\u00e9p chi\u1ebfu ph\u01b0\u01a1ng v\u1ecb \u0111\u1ee9ng, \nph\u00e9p chi\u1ebfu ph\u01b0\u01a1ng v\u1ecb ngang v\u00e0 ph\u00e9p chi\u1ebfu ph\u01b0\u01a1ng v\u1ecb nghi\u00eang.<\/p>\n\n\n\n2.1. Ph\u00e9p chi\u1ebfu ph\u01b0\u01a1ng v\u1ecb<\/h3>\n\n\n\n