{"id":5382,"date":"2024-07-09T02:39:00","date_gmt":"2024-07-09T02:39:00","guid":{"rendered":"https:\/\/smartcom.vn\/blog\/?p=5382"},"modified":"2025-09-13T08:09:41","modified_gmt":"2025-09-13T01:09:41","slug":"giai-de-writing-task-1-test-3-ielts-cambridge-19","status":"publish","type":"post","link":"https:\/\/smartcom.vn\/blog\/giai-de-writing-task-1-test-3-ielts-cambridge-19\/","title":{"rendered":"Gi\u1ea3i \u0111\u1ec1 IELTS Cambridge 19: Chi ti\u1ebft Writing Task 1 [Test 3] <\/br> (B\u00e0i lu\u1eadn mi\u00eau t\u1ea3 quy tr\u00ecnh s\u1ea3n xu\u1ea5t nhi\u00ean li\u1ec7u sinh h\u1ecdc Ethanol)"},"content":{"rendered":"\n\n
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\n 5\/5 - (5 b\u00ecnh ch\u1ecdn) <\/div>\n <\/div>\n

B\u00e0i lu\u1eadn mi\u00eau t\u1ea3 quy tr\u00ecnh (describing a process<\/a><\/span><\/span>) l\u00e0 d\u1ea1ng b\u00e0i kh\u00f3 nh\u1ea5t trong c\u00e1c b\u00e0i vi\u1ebft IELTS Writing Task 1. V\u00ec n\u00f3 th\u01b0\u1eddng y\u00eau c\u1ea7u th\u00ed sinh vi\u1ebft nh\u1eefng quy tr\u00ecnh kh\u00e1 ph\u1ee9c t\u1ea1p, \u0111\u00f2i h\u1ecfi nh\u1eefng hi\u1ec3u bi\u1ebft nh\u1ea5t \u0111\u1ecbnh v\u1ec1 quy tr\u00ecnh \u1ea5y m\u1edbi c\u00f3 th\u1ec3 vi\u1ebft \u0111\u00fang \u0111\u01b0\u1ee3c b\u1ea3n ch\u1ea5t di\u1ec5n bi\u1ebfn c\u1ee7a quy tr\u00ecnh. \u0110\u1ec1 b\u00e0i y\u00eau c\u1ea7u mi\u00eau t\u1ea3 Quy tr\u00ecnh s\u1ea3n xu\u1ea5t nhi\u00ean li\u1ec7u sinh h\u1ecdc t\u00ean l\u00e0 Ethanol d\u01b0\u1edbi \u0111\u00e2y trong s\u00e1ch IELTS Cambridge 19<\/a><\/span><\/span> \u2013 Test 3 \u2013 l\u00e0 m\u1ed9t d\u1ea1ng b\u00e0i nh\u01b0 v\u1eady.<\/p>\n

B\u00e0i gi\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y c\u1ee7a c\u00e1c chuy\u00ean gia IELTS t\u1ea1i Smartcom English<\/a><\/strong> s\u1ebd gi\u00fap c\u00e1c s\u0129 t\u1eed IELTS hi\u1ec3u r\u00f5 c\u00e1c b\u01b0\u1edbc vi\u1ebft m\u1ed9t b\u00e0i lu\u1eadn mi\u00eau t\u1ea3 quy tr\u00ecnh \u0111\u1ed1i v\u1edbi m\u1ed9t \u0111\u1ec1 b\u00e0i t\u01b0\u01a1ng \u0111\u1ed1i kh\u00f3.<\/p>\n

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T\u1ea3i mi\u1ec5n ph\u00ed:<\/strong>\u00a0Ebook gi\u1ea3i \u0111\u1ec1 IELTS Writing CAMBRIDGE 19 (PDF)<\/a><\/span><\/span><\/p>\n

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\"giai-de-writing-task-1-test-3-ielts-cambridge-19\"<\/p>\n

<\/span>Ph\u00e2n t\u00edch \u0111\u1ec1 b\u00e0i Writing task 1 test 3 IELTS Cambridge 19<\/span><\/span><\/h2>\n
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WRITING TASK 1 – TEST 3 [ IELTS CAMBRIDGE 19 ]<\/strong><\/p>\n

You should spend about 20 minutes on this task.<\/p>\n

The diagram below shows how a biofuel called ethanol is produced.<\/p>\n

Summarise the information by selecting and reporting the main features and make comparision where relevant.<\/p>\n

Write at least 150 words.<\/p>\n<\/div>\n

\"ielts-cambridge-19-test-3\"<\/p>\n

Nh\u01b0 b\u1ea1n \u0111\u00e3 th\u1ea5y, \u0111\u1ec1 b\u00e0i n\u00e0y kh\u00f4ng h\u1ec1 d\u1ec5 hi\u1ec3u, nh\u1ea5t l\u00e0 \u0111\u1ed1i v\u1edbi nh\u1eefng ai ng\u1ea1i \u0111\u1ecdc hi\u1ec3u c\u00e1c quy tr\u00ecnh k\u1ef9 thu\u1eadt ph\u1ee9c t\u1ea1p. Nh\u01b0ng v\u1edbi b\u00e0i thi IELTS, vi\u1ec7c \u0111\u1ecdc hi\u1ec3u c\u00e1c s\u01a1 \u0111\u1ed3 mi\u00eau t\u1ea3 quy tr\u00ecnh nh\u01b0 th\u1ebf n\u00e0y l\u00e0 m\u1ed9t y\u00eau c\u1ea7u b\u1eaft bu\u1ed9c.<\/p>\n

<\/span>Chi\u1ebfn thu\u1eadt 5 b\u01b0\u1edbc chinh ph\u1ee5c d\u1ea1ng “describing a process”<\/span><\/span><\/h3>\n

\u0110\u1ec3 c\u00f3 th\u1ec3 ti\u1ebfn h\u00e0nh vi\u1ebft b\u00e0i lu\u1eadn, th\u1ef1c ch\u1ea5t l\u00e0 b\u00e0i b\u00e1o c\u00e1o, v\u1ec1 quy tr\u00ecnh k\u1ef9 thu\u1eadt nh\u01b0 th\u1ebf n\u00e0y, b\u1ea1n c\u1ea7n th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc sau:<\/p>\n

B\u01b0\u1edbc 1<\/strong>: N\u1eafm ch\u1eafc t\u1ed5 ch\u1ee9c c\u1ee7a m\u1ed9t b\u00e0i vi\u1ebft IELTS Writing Task 1 g\u1ed3m m\u1ed9t \u0111o\u1ea1n m\u1edf b\u00e0i, v\u00e0 hai \u0111o\u1ea1n th\u00e2n b\u00e0i (ph\u1ed5 bi\u1ebfn) g\u1ed3m nh\u1eefng g\u00ec. B\u01b0\u1edbc n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c gi\u1ea3ng \u1edf d\u1ea1ng b\u00e0i Writing Task 1 d\u1ec5 h\u01a1n l\u00e0 b\u00e0i lu\u1eadn mi\u00eau t\u1ea3 b\u1ea3n \u0111\u1ed3 (describing maps).<\/p>\n

B\u01b0\u1edbc 2<\/strong>: Nghi\u00ean c\u1ee9u quy tr\u00ecnh v\u00e0 di\u1ec5n \u0111\u1ea1t t\u1eebng b\u01b0\u1edbc c\u1ee7a n\u00f3 m\u1ed9t c\u00e1ch m\u1ea1ch l\u1ea1c. B\u1ea1n c\u1ea7n luy\u1ec7n \u0111\u1ecdc nhi\u1ec1u \u0111\u1ec1 b\u00e0i mi\u00eau t\u1ea3 quy tr\u00ecnh \u0111\u1ec3 n\u00e2ng cao k\u1ef9 n\u0103ng \u0111\u1ecdc hi\u1ec3u quy tr\u00ecnh. \u0110\u00e2y l\u00e0 m\u1ed9t vi\u1ec7c l\u00e0m \u0111\u00f2i h\u1ecfi m\u1ed9t ch\u00fat n\u1ed7 l\u1ef1c th\u1ef1c h\u00e0nh \u0111\u1ec3 l\u00e0m quen c\u00e1ch \u0111\u1ecdc c\u00e1c s\u01a1 \u0111\u1ed3 quy tr\u00ecnh phong ph\u00fa, g\u1ed3m quy tr\u00ecnh sinh tr\u01b0\u1edfng t\u1ef1 nhi\u00ean c\u1ee7a sinh v\u1eadt v\u00e0 c\u00e1c quy tr\u00ecnh s\u1ea3n xu\u1ea5t c\u00e1c v\u1eadt ph\u1ea9m ph\u1ee9c t\u1ea1p.<\/p>\n

B\u01b0\u1edbc 3<\/strong>: Suy ngh\u0129 v\u00e0 nh\u00f3m c\u00e1c b\u01b0\u1edbc c\u00f3 c\u00f9ng \u0111\u1eb7c tr\u01b0ng v\u00e0o th\u00e0nh m\u1ed9t c\u1ee5m th\u00f4ng tin, \u0111\u1ec3 ph\u1ee5c v\u1ee5 c\u00f4ng t\u00e1c ph\u00e2n chia c\u00e1c \u0111o\u1ea1n v\u0103n th\u00e2n b\u00e0i.<\/p>\n

B\u01b0\u1edbc 4<\/strong>: Vi\u1ebft b\u00e0i ho\u00e0n thi\u1ec7n.<\/p>\n

B\u01b0\u1edbc 5<\/strong>: \u0110\u1ecdc l\u1ea1i b\u00e0i, r\u00e0 so\u00e1t \u0111\u1ec3 s\u1eeda l\u1ed7i.<\/p>\n

<\/span>Ki\u1ebfn th\u1ee9c b\u1ea1n c\u1ea7n bi\u1ebft<\/span><\/span><\/h3>\n

V\u1edbi \u0111\u1ec1 b\u00e0i mi\u00eau t\u1ea3 quy tr\u00ecnh s\u1ea3n xu\u1ea5t Ethanol nh\u01b0 tr\u00ean, ta c\u1ea7n ph\u1ea3i c\u00f3 hi\u1ec3u bi\u1ebft nh\u1ea5t \u0111\u1ecbnh v\u1ec1 c\u00e1ch th\u1ee9c s\u1ea3n xu\u1ea5t ra nhi\u00ean li\u1ec7u sinh h\u1ecdc (biofuel) n\u00e0y th\u00ec m\u1edbi c\u00f3 th\u1ec3 vi\u1ebft \u0111\u01b0\u1ee3c b\u00e0i lu\u1eadn mi\u00eau t\u1ea3 t\u1eebng b\u01b0\u1edbc trong s\u01a1 \u0111\u1ed3 \u0111\u00e3 cho b\u1eb1ng ti\u1ebfng Anh h\u1ecdc thu\u1eadt \u0111\u01b0\u1ee3c. C\u1ee5 th\u1ec3 b\u1ea1n c\u1ea7n tham kh\u1ea3o ki\u1ebfn th\u1ee9c d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n

Quy tr\u00ecnh s\u1ea3n xu\u1ea5t ethanol sinh h\u1ecdc t\u1eeb th\u1ef1c v\u1eadt v\u00e0 c\u00e2y c\u1ed1i (sinh kh\u1ed1i)<\/p>\n

1. Chu\u1ea9n b\u1ecb:<\/strong><\/p>\n

– Qu\u00e1 tr\u00ecnh n\u00e0y b\u1eaft \u0111\u1ea7u v\u1edbi vi\u1ec7c tr\u1ed3ng tr\u1ecdt v\u00e0 thu th\u1eadp c\u00e1c ngu\u1ed3n sinh kh\u1ed1i, c\u00f3 th\u1ec3 l\u00e0 ng\u00f4, m\u00eda, d\u0103m g\u1ed7 ho\u1eb7c c\u00e1c v\u1eadt li\u1ec7u th\u1ef1c v\u1eadt kh\u00e1c.<\/p>\n

– Vi\u1ec7c thu ho\u1ea1ch sinh kh\u1ed1i n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u1edf quy m\u00f4 l\u1edbn, n\u00ean c\u1ea7n c\u01a1 gi\u1edbi h\u00f3a b\u1eb1ng c\u00e1ch \u0111\u01b0a xe v\u00e0 m\u00e1y m\u00f3c v\u00e0o th\u1ef1c hi\u1ec7n.<\/p>\n

– T\u00f9y thu\u1ed9c v\u00e0o v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c ch\u1ecdn, n\u00f3 c\u00f3 th\u1ec3 tr\u1ea3i qua qu\u00e1 tr\u00ecnh x\u1eed l\u00fd tr\u01b0\u1edbc nh\u01b0 nghi\u1ec1n (\u0111\u1ed1i v\u1edbi ng\u0169 c\u1ed1c) ho\u1eb7c c\u1eaft nh\u1ecf (\u0111\u1ed1i v\u1edbi v\u1eadt li\u1ec7u g\u1ed7) \u0111\u1ec3 t\u0103ng di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t \u0111\u1ec3 d\u1ec5 ch\u1ebf bi\u1ebfn \u1edf c\u00e1c b\u01b0\u1edbc ti\u1ebfp theo.<\/p>\n

2. X\u1eed l\u00fd tr\u01b0\u1edbc (t\u00f9y ch\u1ecdn):<\/strong><\/p>\n

– B\u01b0\u1edbc n\u00e0y \u0111\u00f4i khi \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi c\u00e1c v\u1eadt li\u1ec7u c\u1ee9ng nh\u01b0 g\u1ed7. \u1ede \u0111\u00e2y, c\u00e1c h\u00f3a ch\u1ea5t ho\u1eb7c nhi\u1ec7t \u0111\u1ed9 cao \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e1 v\u1ee1 c\u1ea5u tr\u00fac ph\u1ee9c h\u1ee3p c\u1ee7a sinh kh\u1ed1i th\u00e0nh c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u01a1n gi\u1ea3n h\u01a1n.<\/p>\n

– C\u1ee5 th\u1ec3 nh\u01b0 \u1edf trong s\u01a1 \u0111\u1ed3 \u0111\u1ec1 b\u00e0i cho th\u00ec ng\u01b0\u1eddi ta x\u1eed l\u00fd c\u00e1c s\u1ea3n ph\u1ea9m s\u01a1 ch\u1ebf t\u1eeb sinh kh\u1ed1i \u0111\u1ec3 bi\u1ebfn th\u00e0nh h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 d\u1ea1ng s\u1ee3i c\u00f3 t\u00ean l\u00e0 cellulose.<\/p>\n

3. Th\u1ee7y ph\u00e2n:<\/strong><\/p>\n

– Giai \u0111o\u1ea1n n\u00e0y t\u1eadp trung v\u00e0o vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i carbohydrate (tinh b\u1ed9t v\u00e0 cellulose) c\u00f3 trong sinh kh\u1ed1i th\u00e0nh c\u00e1c \u0111\u01b0\u1eddng \u0111\u01a1n gi\u1ea3n, ch\u1ee7 y\u1ebfu l\u00e0 glucose. Enzyme l\u00e0 th\u1ee9 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t x\u00fac t\u00e1c \u0111\u1ec3 ph\u00e2n h\u1ee7y c\u00e1c carbohydrate ph\u1ee9c t\u1ea1p n\u00e0y.<\/p>\n

4. L\u00ean men:<\/strong><\/p>\n

– N\u01b0\u1edbc \u0111\u01b0\u1eddng thu \u0111\u01b0\u1ee3c t\u1eeb qu\u00e1 tr\u00ecnh th\u1ee7y ph\u00e2n \u0111\u01b0\u1ee3c chuy\u1ec3n v\u00e0o b\u1ec3 l\u00ean men. L\u00ean men l\u00e0 vi\u1ec7c \u0111\u01b0a m\u1ed9t lo\u1ea1i vi sinh v\u1eadt v\u00e0o, v\u00e0 n\u00f3 s\u1ebd \u0103n c\u00e1c \u0111\u01b0\u1eddng, r\u1ed3i chuy\u1ec3n h\u00f3a ch\u00fang th\u00e0nh ethanol v\u00e0 carbon dioxide (CO2) th\u00f4ng qua qu\u00e1 tr\u00ecnh sinh h\u1ecdc.<\/p>\n

5. Ch\u01b0ng c\u1ea5t:<\/strong><\/p>\n

– H\u1ed7n h\u1ee3p l\u00ean men, gi\u1edd \u0111\u00e2y ch\u1ee9a ethanol, n\u01b0\u1edbc v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c, tr\u1ea3i qua qu\u00e1 tr\u00ecnh ch\u01b0ng c\u1ea5t. Qu\u00e1 tr\u00ecnh n\u00e0y t\u00e1ch ethanol kh\u1ecfi c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c. N\u00f3 bao g\u1ed3m vi\u1ec7c \u0111un s\u00f4i h\u1ed7n h\u1ee3p v\u00e0 thu gi\u1eef h\u01a1i ethanol, ng\u01b0ng t\u1ee5 tr\u1edf l\u1ea1i th\u00e0nh ethanol l\u1ecfng v\u1edbi n\u1ed3ng \u0111\u1ed9 cao h\u01a1n.<\/p>\n

6. Tr\u1edf th\u00e0nh nhi\u00ean li\u1ec7u sinh h\u1ecdc:<\/strong><\/p>\n

– Ethanol \u0111\u01b0\u1ee3c t\u1ea1o ra c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh nhi\u00ean li\u1ec7u sinh h\u1ecdc, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 x\u0103ng, \u0111\u1ec3 v\u1eadn h\u00e0nh c\u00e1c lo\u1ea1i ph\u01b0\u01a1ng ti\u1ec7n c\u01a1 gi\u1edbi nh\u01b0 \u00f4 t\u00f4, xe t\u1ea3i, v\u00e0 c\u1ea3 m\u00e1y bay.<\/p>\n

– D\u0129 nhi\u00ean l\u00e0 \u0111\u1ed9ng c\u01a1 c\u1ee7a c\u00e1c lo\u1ea1i ph\u01b0\u01a1ng ti\u1ec7n c\u01a1 gi\u1edbi n\u00e0y khi v\u1eadn h\u00e0nh b\u1eb1ng ph\u01b0\u01a1ng th\u1ee9c \u0111\u1ed1t ch\u00e1y Ethanol v\u1eabn s\u1ebd t\u1ea1o ra CO2. CO2 s\u1ebd tr\u1edf l\u1ea1i kh\u00f4ng kh\u00ed v\u00e0 ti\u1ebfp t\u1ee5c \u0111\u01b0\u1ee3c c\u00e1c lo\u1ea1i th\u1ef1c v\u1eadt h\u1ea5p th\u1ee5 \u0111\u1ec3 tr\u1edf th\u00e0nh c\u00e1c sinh kh\u1ed1i cho quy tr\u00ecnh s\u1ea3n xu\u1ea5t Ethanol.<\/p>\n

– Qu\u00e1 tr\u00ecnh n\u00e0y cung c\u1ea5p cho b\u1ea1n ethanol, m\u1ed9t nhi\u00ean li\u1ec7u sinh h\u1ecdc c\u00f3 th\u1ec3 pha tr\u1ed9n v\u1edbi x\u0103ng ho\u1eb7c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c. H\u00e3y nh\u1edb r\u1eb1ng, c\u00f3 nh\u1eefng c\u00e1ch ti\u1ebfp c\u1eadn v\u00e0 c\u00f4ng ngh\u1ec7 kh\u00e1c nhau trong t\u1eebng giai \u0111o\u1ea1n v\u00e0 c\u00e1c chi ti\u1ebft c\u1ee5 th\u1ec3 c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u00f9y thu\u1ed9c v\u00e0o nguy\u00ean li\u1ec7u \u0111\u1ea7u v\u00e0o v\u00e0 c\u01a1 s\u1edf s\u1ea3n xu\u1ea5t \u0111\u00e3 ch\u1ecdn.<\/p>\n

Sau khi b\u1ea1n \u0111\u1ecdc quy tr\u00ecnh t\u1ea1o ra Ethanol b\u1eb1ng ti\u1ebfng Vi\u1ec7t, ch\u1eafc h\u1eb3n b\u1ea1n nh\u1eadn ra ngay m\u1ee9c \u0111\u1ed9 ph\u1ee9c t\u1ea1p v\u1ec1 m\u1eb7t ng\u00f4n ng\u1eef c\u1ee7a n\u00f3, v\u00e0 b\u1ea1n ch\u1ec9 \u01b0\u1edbc sao cho h\u00f4m \u0111i thi IELTS kh\u00f4ng g\u1eb7p ph\u1ea3i d\u1ea1ng \u0111\u1ec1 mi\u00eau t\u1ea3 Quy tr\u00ecnh (describing a process) ph\u1ea3i kh\u00f4ng. \u0110\u00e2y \u0111\u00fang l\u00e0 d\u1ea1ng b\u00e0i thi kh\u00f3 nh\u1ea5t c\u1ee7a IELTS, nh\u01b0ng kh\u00f4ng ph\u1ea3i b\u00e0i vi\u1ebft t\u1ea3 quy tr\u00ecnh n\u00e0o c\u0169ng c\u00f3 s\u01a1 \u0111\u1ed3 n\u1eb7ng t\u00ednh k\u1ef9 thu\u1eadt nh\u01b0 b\u00e0i n\u00e0y. V\u00e0 ngay c\u1ea3 khi g\u1eb7p b\u00e0i c\u00f3 quy tr\u00ecnh k\u1ef9 thu\u1eadt ph\u1ee9c t\u1ea1p, b\u1ea1n v\u1eabn c\u00f3 th\u1ec3 v\u1eadn d\u1ee5ng ki\u1ebfn th\u1ee9c t\u1ed5ng quan v\u1ec1 vi\u1ebft b\u00e0i lu\u1eadn t\u1ea3 quy tr\u00ecnh \u0111\u1ec3 c\u00f3 th\u1ec3 vi\u1ebft \u0111\u01b0\u1ee3c tr\u1ecdn v\u1eb9n b\u00e0i vi\u1ebft 150 t\u1eeb trong 20 ph\u00fat m\u00e0 \u0111\u1ec1 thi y\u00eau c\u1ea7u. Tuy nhi\u00ean, b\u1ea1n kh\u00f3 c\u00f3 th\u1ec3 k\u1ef3 v\u1ecdng \u0111\u1ea1t \u0111i\u1ec3m cao n\u1ebfu ch\u1ec9 vi\u1ebft nh\u1eefng b\u00e0i tr\u00ecnh b\u00e0y \u0111\u01b0\u1ee3c kh\u00e1i qu\u00e1t v\u1ea5n \u0111\u1ec1 m\u00e0 kh\u00f4ng \u0111i s\u00e2u v\u00e0o mi\u00eau t\u1ea3 tri\u1ec7t \u0111\u1ec3 \u0111\u01b0\u1ee3c b\u1ea3n ch\u1ea5t c\u1ee7a n\u00f3. D\u00f9 sao, b\u1ea1n v\u1eabn c\u00f3 th\u1ec3 hy v\u1ecdng \u0111\u1ea1t t\u1edbi 6.5 \u0111\u1ebfn 7.0 \u0111\u1ed1i v\u1edbi nh\u1eefng \u0111\u1ec1 b\u00e0i kh\u00f3 nh\u01b0ng b\u1ea1n v\u1eabn vi\u1ebft \u0111\u01b0\u1ee3c \u0111\u1ee7 \u00fd m\u00e0 kh\u00f4ng m\u1eafc l\u1ed7i.<\/p>\n

<\/span>C\u00f4ng th\u1ee9c vi\u1ebft b\u00e0i<\/span><\/span><\/h3>\n

\u0110\u1ec3 vi\u1ebft m\u1ed9t b\u00e0i lu\u1eadn mi\u00eau t\u1ea3 quy tr\u00ecnh \u0111\u1ee7 \u00fd, b\u1ea1n c\u1ea7n ghi nh\u1edb c\u00f4ng th\u1ee9c vi\u1ebft kh\u00e1i qu\u00e1t sau:<\/p>\n

\u0110o\u1ea1n m\u1edf b\u00e0i: vi\u1ebft 2 c\u00e2u<\/strong><\/p>\n