{"id":5688,"date":"2020-12-03T10:24:46","date_gmt":"2020-12-03T03:24:46","guid":{"rendered":"https:\/\/news.bitcoinvn.io\/?p=5688"},"modified":"2020-12-03T10:24:46","modified_gmt":"2020-12-03T03:24:46","slug":"phan-ky-chi-bao-rsi-la-gi","status":"publish","type":"post","link":"https:\/\/bitcoinvn.io\/news\/vi\/phan-ky-chi-bao-rsi-la-gi\/","title":{"rendered":"Ph\u00e2n k\u1ef3 c\u1ee7a ch\u1ec9 b\u00e1o RSI l\u00e0 g\u00ec?"},"content":{"rendered":"

Ch\u1ec9 s\u1ed1 ph\u00e2n k\u1ef3 RSI gi\u00fap c\u00e1c nh\u00e0 giao d\u1ecbch ch\u1ee9ng kho\u00e1n ph\u00e1t hi\u1ec7n v\u00e0 t\u1eadn d\u1ee5ng l\u1ee3i th\u1ebf c\u1ee7a ph\u00e2n k\u1ef3 trong \u0111\u1ea7u t\u01b0. Khi \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u00fang c\u00e1ch, RSI c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t trong nh\u1eefng ch\u1ec9 s\u1ed1 x\u00e1c nh\u1eadn v\u00e0 giao d\u1ecbch hi\u1ec7u qu\u1ea3 nh\u1ea5t trong kho d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n. RSI l\u00e0 m\u1ed9t trong nh\u1eefng c\u00f4ng c\u1ee5 ph\u1ed5 bi\u1ebfn nh\u1ea5t trong giao d\u1ecbch l\u01b0\u1edbt s\u00f3ng, m\u1ed9t k\u1ef9 thu\u1eadt m\u00e0 trong \u0111\u00f3 c\u00e1c nh\u00e0 giao d\u1ecbch t\u00ecm c\u00e1ch v\u01b0\u1ee3t qua th\u1ecb tr\u01b0\u1eddng b\u1eb1ng nh\u1eefng n\u01b0\u1edbc \u0111i t\u1ed1t nh\u1ea5t c\u00f3 th\u1ec3.<\/span><\/p>\n

<\/p>\n

Ph\u00e2n k\u1ef3 RSI l\u00e0 g\u00ec?<\/b><\/h2>\n

V\u1edbi ph\u00e2n k\u1ef3 RSI, ch\u1ec9 s\u1ed1 s\u1ee9c m\u1ea1nh t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a m\u1ed9t c\u1ed5 phi\u1ebfu c\u1ee5 th\u1ec3 s\u1ebd cho th\u1ea5y m\u1ee9c cao th\u1ea5p h\u01a1n khi xu h\u01b0\u1edbng t\u0103ng gi\u00e1 ch\u1ea1m m\u1ee9c cao h\u01a1n. Ng\u01b0\u1ee3c l\u1ea1i, khi gi\u00e1 c\u00f3 xu h\u01b0\u1edbng gi\u1ea3m, n\u00f3 s\u1ebd ch\u1ea1m m\u1ee9c th\u1ea5p h\u01a1n v\u1edbi s\u1ef1 ph\u00e2n k\u1ef3 trong khi ch\u1ec9 b\u00e1o RSI ch\u1ea1m m\u1ee9c th\u1ea5p h\u01a1n. Khi c\u1ea3 hai ch\u1ec9 s\u1ed1 \u0111\u1ec1u \u0111i l\u00ean ho\u1eb7c \u0111i xu\u1ed1ng \u0111\u1ed3ng th\u1eddi, RSI s\u1ebd b\u1eaft \u0111\u1ea7u ph\u00e2n k\u1ef3 so v\u1edbi gi\u00e1 c\u1ed5 phi\u1ebfu<\/span>.<\/span><\/p>\n

S\u1ef1 ph\u00e2n k\u1ef3 cho th\u1ea5y r\u1eb1ng xu h\u01b0\u1edbng gi\u00e1 hi\u1ec7n t\u1ea1i \u0111ang \u0111\u01b0\u1ee3c b\u00e1o \u0111\u1ed9ng, \u0111i\u1ec1u n\u00e0y s\u1ebd cung c\u1ea5p th\u00f4ng tin chi ti\u1ebft li\u1ec7u \u0111\u00e3 \u0111\u1ebfn l\u00fac th\u1ef1c hi\u1ec7n \u0111\u1ed9ng th\u00e1i mua hay b\u00e1n c\u1ed5 phi\u1ebfu t\u1ea1i th\u1eddi \u0111i\u1ec3m \u0111\u00f3. Khi m\u1ed9t ch\u1ec9 s\u1ed1 b\u1ea5t \u0111\u1ed3ng v\u1ec1 gi\u00e1, s\u1ef1 thi\u1ebfu \u0111\u1ed3ng b\u1ed9 n\u00e0y s\u1ebd th\u1ec3 hi\u1ec7n kh\u1ea3 n\u0103ng thay \u0111\u1ed5i c\u00f9ng bi\u1ec3u \u0111\u1ed3.<\/span><\/p>\n

S\u1ef1 ph\u00e2n k\u1ef3 t\u0103ng gi\u00e1 \u1ea9n cho th\u1ea5y s\u1ef1 ti\u1ebfp t\u1ee5c c\u1ee7a xu h\u01b0\u1edbng \u0111i l\u00ean<\/a>. B\u1ea1n s\u1ebd nh\u1eadn th\u1ea5y tr\u00ean c\u00e1c \u0111\u01b0\u1eddng xu h\u01b0\u1edbng c\u1ee7a RSI t\u1ea1o m\u1ee9c th\u1ea5p h\u01a1n m\u1ee9c th\u1ea5p nh\u1ea5t c\u1ee7a gi\u00e1. Ng\u01b0\u1ee3c l\u1ea1i, s\u1ef1 ph\u00e2n k\u1ef3 gi\u1ea3m gi\u00e1 \u1ea9n x\u1ea3y ra khi m\u1ed9t c\u1ed5 phi\u1ebfu c\u00f3 xu h\u01b0\u1edbng gi\u1ea3m. Xu h\u01b0\u1edbng n\u00e0y c\u00f3 th\u1ec3 s\u1ebd ti\u1ebfp t\u1ee5c khi b\u1ea1n nh\u1eadn th\u1ea5y r\u1eb1ng ch\u1ec9 s\u1ed1 RSI ch\u1ea1m m\u1ee9c cao h\u01a1n m\u1ee9c cao so v\u1edbi m\u1ee9c th\u1ea5p h\u01a1n cao c\u1ee7a gi\u00e1. M\u1ed9t trong hai c\u00e1ch n\u00e0y cung c\u1ea5p th\u00f4ng tin \u0111\u1ec3 b\u1ea1n bi\u1ebft khi n\u00e0o c\u1ea7n \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c n\u01b0\u1edbc \u0111i th\u00f4ng minh trong mua b\u00e1n c\u1ed5 phi\u1ebfu.<\/span><\/p>\n

Vai tr\u00f2 c\u1ee7a ch\u1ec9 s\u1ed1 s\u1ee9c m\u1ea1nh t\u01b0\u01a1ng \u0111\u1ed1i<\/b><\/h2>\n

\u0110\u1ec3 th\u1ef1c s\u1ef1 hi\u1ec3u v\u1ec1 s\u1ef1 ph\u00e2n k\u1ef3 c\u1ee7a RSI, tr\u01b0\u1edbc ti\u00ean ch\u00fang ta ph\u1ea3i \u0111\u1ecbnh ngh\u0129a RSI. T\u1eeb vi\u1ebft t\u1eaft n\u00e0y c\u00f3 ngh\u0129a l\u00e0 ch\u1ec9 s\u1ed1 s\u1ee9c m\u1ea1nh t\u01b0\u01a1ng \u0111\u1ed1i, gi\u00fap \u0111o h\u01b0\u1edbng \u0111i v\u00e0 \u0111\u1ed9ng l\u01b0\u1ee3ng c\u1ee7a m\u1ed9t c\u1ed5 phi\u1ebfu c\u1ee5 th\u1ec3. N\u00f3i chung, RSI xem x\u00e9t l\u00e3i v\u00e0 l\u1ed7 trong kho\u1ea3ng th\u1eddi gian 14 ng\u00e0y, m\u1eb7c d\u00f9 m\u1ed9t s\u1ed1 nh\u00e0 giao d\u1ecbch d\u1ef1a v\u00e0o kho\u1ea3ng th\u1eddi gian ng\u1eafn h\u01a1n v\u00e0 d\u00e0i h\u01a1n trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p kh\u00e1c nhau. Ch\u1ec9 s\u1ed1\u00a0 RSI t\u0103ng khi c\u1ed5 phi\u1ebfu t\u0103ng gi\u00e1 tr\u1ecb v\u00e0 gi\u1ea3m khi \u0111i\u1ec1u ng\u01b0\u1ee3c l\u1ea1i. RSI \u0111\u01b0\u1ee3c \u0111o tr\u00ean thang \u0111i\u1ec3m t\u1eeb 0 \u0111\u1ebfn 100. Khi n\u00f3 gi\u1ea3m xu\u1ed1ng d\u01b0\u1edbi 30, c\u1ed5 phi\u1ebfu \u0111ang b\u1ecb b\u00e1n qu\u00e1 m\u1ee9c v\u00e0 c\u00f3 th\u1ec3 \u0111ang c\u00f3 xu h\u01b0\u1edbng gi\u1ea3m trong m\u1ed9t th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh. Ng\u01b0\u1ee3c l\u1ea1i, RSI t\u1eeb 70 tr\u1edf l\u00ean cho th\u1ea5y m\u1ed9t c\u1ed5 phi\u1ebfu \u0111ang c\u00f3 xu h\u01b0\u1edbng t\u0103ng v\u00e0 hi\u1ec7n \u0111ang b\u1ecb mua qu\u00e1 m\u1ee9c.<\/span><\/p>\n

\u0110\u1ec3 t\u00ednh RSI, h\u00e3y chia kho\u1ea3n l\u00e3i trung b\u00ecnh trong c\u00e1c giai \u0111o\u1ea1n t\u0103ng gi\u00e1 c\u1ee7a c\u1ed5 phi\u1ebfu cho kho\u1ea3n l\u1ed7 trung b\u00ecnh trong c\u00e1c giai \u0111o\u1ea1n c\u1ed5 phi\u1ebfu gi\u1ea3m gi\u00e1. C\u00f4ng th\u00eam m\u1ed9t, sau \u0111\u00f3 chia k\u1ebft qu\u1ea3 cho 100. L\u1ea5y k\u1ebft qu\u1ea3 tr\u1eeb \u0111i 100 \u0111\u1ec3 t\u00ecm RSI c\u1ee7a b\u1ea1n. V\u00ed d\u1ee5: n\u1ebfu m\u1ee9c t\u0103ng trung b\u00ecnh trong 14 ng\u00e0y l\u00e0 50 v\u00e0 m\u1ee9c l\u1ed7 trung b\u00ecnh l\u00e0 20, ph\u01b0\u01a1ng tr\u00ecnh c\u1ee7a b\u1ea1n s\u1ebd gi\u1ed1ng nh\u01b0 sau:<\/span><\/p>\n

100-100 \/ (1 + 50\/20) = 100 – 100\/1 + 2,5 = 100 – 28,57 = RSI l\u00e0 71,43.<\/span><\/p>\n

Theo truy\u1ec1n th\u1ed1ng, nh\u1eefng ng\u01b0\u1eddi tin v\u00e0o ch\u1ec9 s\u1ed1 n\u00e0y \u1ee7ng h\u1ed9 vi\u1ec7c b\u00e1n c\u1ed5 phi\u1ebfu khi RSI v\u01b0\u1ee3t qu\u00e1 70 v\u00e0 mua khi RSI gi\u1ea3m xu\u1ed1ng d\u01b0\u1edbi 30. Tuy nhi\u00ean, nh\u1eefng con s\u1ed1 n\u00e0y ch\u1ec9 l\u00e0 h\u01b0\u1edbng d\u1eabn v\u00e0 kh\u00f4ng n\u00ean l\u1ea1m d\u1ee5ng khi b\u1ea1n \u0111\u1ecbnh mua ho\u1eb7c b\u00e1n c\u1ed5 phi\u1ebfu. Thay v\u00e0o \u0111\u00f3, h\u00e3y s\u1eed d\u1ee5ng RSI nh\u01b0 m\u1ed9t ch\u1ec9 s\u1ed1 ph\u1ee5 \u0111\u1ec3 h\u1ed7 tr\u1ee3 ch\u1ec9 s\u1ed1 mua ho\u1eb7c b\u00e1n ch\u00ednh ri\u00eang bi\u1ec7t.<\/span><\/p>\n

V\u1ebd \u0110\u01b0\u1eddng xu h\u01b0\u1edbng cho RSI<\/b><\/h2>\n

\u0110\u01b0\u1eddng xu h\u01b0\u1edbng RSI h\u01a1i kh\u00e1c so v\u1edbi \u0111\u01b0\u1eddng xu h\u01b0\u1edbng truy\u1ec1n th\u1ed1ng. Khi t\u00ecm ki\u1ebfm s\u1ef1 ph\u00e2n k\u1ef3, h\u00e3y v\u1ebd m\u1ed9t \u0111\u01b0\u1eddng t\u1eeb m\u1ee9c cao nh\u1ea5t ho\u1eb7c m\u1ee9c th\u1ea5p nh\u1ea5t \u0111\u1ebfn m\u1ee9c cao nh\u1ea5t ho\u1eb7c m\u1ee9c th\u1ea5p nh\u1ea5t so v\u1edbi tr\u01b0\u1edbc \u0111\u00f3. H\u00e3y b\u1ecf qua c\u00e1c \u0111\u1ed9 tr\u1ed3i s\u1ee5t nh\u1ecf h\u01a1n v\u00e0 nh\u1eefng thay \u0111\u1ed5i di\u1ec5n ra gi\u1eefa c\u00e1c \u0111\u1ec9nh v\u00e0 \u0111\u00e1y. So s\u00e1nh c\u00e1c \u0111\u01b0\u1eddng n\u00e0y v\u1edbi c\u00e1c \u0111\u01b0\u1eddng xu h\u01b0\u1edbng gi\u00e1 c\u1ee7a ch\u00ednh c\u1ed5 phi\u1ebfu \u0111\u00f3. \u0110\u1ea3m b\u1ea3o r\u1eb1ng b\u1ea1n \u0111ang so s\u00e1nh m\u1ee9c cao v\u1edbi m\u1ee9c cao v\u00e0 m\u1ee9c th\u1ea5p v\u1edbi m\u1ee9c th\u1ea5p, kh\u00f4ng ph\u1ea3i m\u1ee9c cao v\u1edbi m\u1ee9c th\u1ea5p ho\u1eb7c ng\u01b0\u1ee3c l\u1ea1i. N\u1ebfu \u0111\u1ed9 d\u1ed1c c\u1ee7a \u0111\u01b0\u1eddng RSI kh\u00e1c v\u1edbi \u0111\u1ed9 d\u1ed1c c\u1ee7a \u0111\u01b0\u1eddng gi\u00e1, b\u1ea1n \u0111\u00e3 t\u00ecm th\u1ea5y s\u1ef1 ph\u00e2n k\u1ef3!<\/span><\/p>\n

S\u1eed d\u1ee5ng ph\u00e2n k\u1ef3 gi\u00e1 RSI<\/b><\/h2>\n

S\u1ef1 ph\u00e2n k\u1ef3 RSI ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh th\u1eddi \u0111i\u1ec3m b\u00e1n ra v\u00ec gi\u00e1 c\u00f3 kh\u1ea3 n\u0103ng gi\u1ea3m ho\u1eb7c khi c\u00f3 s\u1ef1 \u0111\u1ea3o ng\u01b0\u1ee3c c\u1ee7a xu h\u01b0\u1edbng chung. L\u00e0 m\u1ed9t ch\u1ec9 s\u1ed1 h\u00e0ng \u0111\u1ea7u v\u1ec1 s\u1ef1 \u0111\u1ea3o ng\u01b0\u1ee3c xu h\u01b0\u1edbng, ph\u00e2n k\u1ef3 n\u00ean \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch k\u1ef9 thu\u1eadt kh\u00e1c khi \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh th\u1ef1c hi\u1ec7n m\u1ed9t kho\u1ea3n \u0111\u1ea7u t\u01b0 c\u1ee5 th\u1ec3. \u0110\u1ec3 c\u00f3 k\u1ebft qu\u1ea3 t\u1ed1t nh\u1ea5t, h\u00e3y d\u1ef1a v\u00e0o RSI khi b\u1ea1n giao d\u1ecbch trong m\u1ed9t th\u1ecb tr\u01b0\u1eddng \u0111\u1ea7y bi\u1ebfn \u0111\u1ed9ng ho\u1eb7c b\u1ecb gi\u1edbi h\u1ea1n ph\u1ea1m vi. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, s\u1ef1 ph\u00e2n k\u1ef3 c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed \u0111\u1ec9nh v\u00e0 \u0111\u00e1y c\u1ee7a th\u1ecb tr\u01b0\u1eddng. Nh\u01b0 v\u1edbi c\u00e1c lo\u1ea1i ch\u1ec9 s\u1ed1 kh\u00e1c, b\u1ea1n c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh ph\u00e2n k\u1ef3 RSI d\u1ef1a tr\u00ean s\u1edf th\u00edch v\u00e0 chi\u1ebfn l\u01b0\u1ee3c giao d\u1ecbch c\u1ee7a m\u00ecnh.<\/span><\/p>\n

H\u00e3y nh\u1edb r\u1eb1ng m\u1eb7c d\u00f9 s\u1ef1 ph\u00e2n k\u1ef3 th\u01b0\u1eddng th\u1ec3 hi\u1ec7n s\u1ef1 thay \u0111\u1ed5i trong bi\u1ebfn \u0111\u1ed9ng gi\u00e1, nh\u01b0ng n\u00f3 kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 s\u1ebd c\u00f3 m\u1ed9t s\u1ef1 \u0111\u1ea3o chi\u1ec1u m\u1ea1nh m\u1ebd s\u1ebd theo sau. Th\u00f4ng th\u01b0\u1eddng, s\u1ef1 kh\u00f4ng \u0111\u1ed3ng b\u1ed9 n\u00e0y ch\u1ec9 \u0111\u01a1n gi\u1ea3n cho th\u1ea5y s\u1ef1 m\u1ea5t \u0111\u00e0. H\u00e3y th\u1eed ch\u1ecdn l\u1ecdc theo v\u1ecb tr\u00ed m\u00e0 b\u1ea1n \u0111ang xem x\u00e9t s\u1ef1 ph\u00e2n k\u1ef3 ti\u1ec1m n\u0103ng v\u00e0 xu h\u01b0\u1edbng thay \u0111\u1ed5i ch\u1ec9 khi m\u1ee9c gi\u00e1 di chuy\u1ec3n v\u00e0o v\u00f9ng ch\u1ea5p nh\u1eadn ho\u1eb7c h\u1ed7 tr\u1ee3 \u0111\u00e3 \u0111\u01b0\u1ee3c v\u1ea1ch ra t\u1eeb tr\u01b0\u1edbc.<\/span><\/p>\n

Hi\u1ec3u ch\u1ec9 b\u00e1o Momentum<\/b><\/h2>\n

B\u1ea1n \u0111\u00e3 bi\u1ebft r\u1eb1ng RSI l\u00e0 m\u1ed9t ch\u1ec9 s\u1ed1 ch\u00ednh v\u1ec1 m\u1ee9c momentum c\u1ee7a vi\u1ec7c \u0111\u1ea7u t\u01b0 coin<\/a>. Nh\u01b0ng m\u1ee9c Momentum n\u00e0y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn nh\u1eefng h\u00e0nh \u0111\u1ed9ng trong giao d\u1ecbch c\u1ee7a b\u1ea1n nh\u01b0 th\u1ebf n\u00e0o? Dao \u0111\u1ed9ng gi\u00e1 ng\u1eafn h\u1ea1n, d\u1ec5 d\u00e0ng \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n b\u1eb1ng c\u00e1ch t\u00ecm ki\u1ebfm s\u1ef1 ph\u00e2n k\u1ef3 RSI, hi\u1ec3n th\u1ecb tr\u00ean bi\u1ec3u \u0111\u1ed3 c\u1ee7a b\u1ea1n d\u01b0\u1edbi d\u1ea1ng d\u1ed1c \u0111\u1ee9ng v\u1edbi dao \u0111\u1ed9ng gi\u00e1 d\u00e0i khi \u0111\u1ed9ng l\u01b0\u1ee3ng t\u0103ng m\u1ea1nh v\u00e0 dao \u0111\u1ed9ng gi\u00e1 ng\u1eafn v\u00e0 n\u00f4ng khi \u0111\u1ed9ng l\u01b0\u1ee3ng c\u1ee7a m\u1ed9t c\u1ed5 phi\u1ebfu y\u1ebfu \u0111i. Khi s\u1ef1 t\u0103ng gi\u00e1 c\u00e0ng k\u00e9o d\u00e0i, \u0111\u1ed9ng l\u1ef1c c\u00e0ng t\u0103ng theo. Khi gi\u00e1 thay \u0111\u1ed5i tr\u00ean m\u1ed9t bi\u1ec3u \u0111\u1ed3 c\u1ee5 th\u1ec3, h\u00e3y s\u1eed d\u1ee5ng ph\u00e2n k\u1ef3 RSI \u0111\u1ec3 l\u00e0m ph\u1eb3ng \u0111\u01b0\u1eddng xu h\u01b0\u1edbng v\u00e0 c\u00f3 \u0111\u01b0\u1ee3c c\u00e1i nh\u00ecn r\u00f5 r\u00e0ng nh\u1ea5t v\u1ec1 s\u1ef1 dao \u0111\u1ed9ng c\u1ee7a gi\u00e1. \u0110\u00f4ng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c t\u00ednh v\u1edbi c\u00f4ng th\u1ee9c M = CP – CPx, trong \u0111\u00f3 CP l\u00e0 gi\u00e1 \u0111\u00f3ng c\u1eeda hi\u1ec7n t\u1ea1i v\u00e0 CPx l\u00e0 gi\u00e1 \u0111\u00f3ng c\u1eeda t\u1eeb \u0111\u1ea7u k\u1ef3 b\u1ea1n \u0111ang ph\u00e2n t\u00edch.<\/span><\/p>\n

Gh\u00e9p n\u1ed1i t\u00edn hi\u1ec7u ph\u00e2n k\u1ef3 v\u1edbi c\u00e1c t\u00edn hi\u1ec7u kh\u00e1c<\/b><\/h2>\n

S\u1ef1 ph\u00e2n k\u1ef3 RSI ho\u1ea1t \u0111\u1ed9ng t\u1ed1t v\u1edbi m\u1ed9t lo\u1ea1t c\u00e1c chi\u1ebfn l\u01b0\u1ee3c ph\u00e2n t\u00edch k\u1ef9 thu\u1eadt kh\u00e1c. H\u00e3y th\u1eed m\u1ed9t s\u1ed1 \u00fd t\u01b0\u1edfng sau \u0111\u1ec3 t\u00edch h\u1ee3p ch\u1ec9 s\u1ed1 m\u1ea1nh m\u1ebd n\u00e0y v\u00e0o quy tr\u00ecnh giao d\u1ecbch hi\u1ec7n t\u1ea1i c\u1ee7a b\u1ea1n:<\/span><\/p>\n