{"id":44494,"date":"2023-07-07T13:09:19","date_gmt":"2023-07-07T10:09:19","guid":{"rendered":"https:\/\/www.englishcentral.com\/blog\/?p=44494"},"modified":"2023-07-17T10:27:16","modified_gmt":"2023-07-17T07:27:16","slug":"giai-thich-ve-con-so-trong-tieng-anh","status":"publish","type":"post","link":"https:\/\/www.englishcentral.com\/blog\/vi\/giai-thich-ve-con-so-trong-tieng-anh\/","title":{"rendered":"Gi\u1ea3i Th\u00edch V\u1ec1 Con S\u1ed1 Trong Ti\u1ebfng Anh"},"content":{"rendered":"
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T\u00ecm hi\u1ec3u v\u1ec1 “con s\u1ed1” trong Ti\u1ebfng Anh<\/strong><\/h2>\n

H\u1ecdc ti\u1ebfng Anh kh\u00f4ng ch\u1ec9 gi\u00fap b\u1ea1n giao ti\u1ebfp m\u1ed9t c\u00e1ch th\u00e0nh th\u1ea1o m\u00e0 c\u00f2n m\u1edf ra c\u00e1nh c\u1eeda c\u1ee7a ki\u1ebfn th\u1ee9c v\u00e0 c\u01a1 h\u1ed9i m\u1edbi. Trong ti\u1ebfng Anh, vi\u1ec7c bi\u1ebft c\u00e1ch \u0111\u1ecdc, vi\u1ebft v\u00e0 ph\u00e1t \u00e2m c\u00e1c con s\u1ed1 l\u00e0 m\u1ed9t k\u1ef9 n\u0103ng c\u01a1 b\u1ea3n quan tr\u1ecdng. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd t\u00ecm hi\u1ec3u c\u00e1ch \u0111\u00e1nh v\u1ea7n v\u00e0 ph\u00e1t \u00e2m c\u00e1c con s\u1ed1 trong ti\u1ebfng Anh m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c v\u00e0 t\u1ef1 tin.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n

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H\u1ecdc c\u00e1ch ph\u00e1t \u00e2m c\u00e1c con s\u1ed1 trong ti\u1ebfng Anh v\u00e0 quy t\u1eafc<\/strong><\/h2>\n

Khi ph\u00e1t \u00e2m c\u00e1c con s\u1ed1 trong ti\u1ebfng Anh, ch\u00fang ta c\u1ea7n ch\u00fa \u00fd \u0111\u1ebfn m\u1ed9t s\u1ed1 quy t\u1eafc c\u01a1 b\u1ea3n. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c quy t\u1eafc ph\u00e1t \u00e2m cho c\u00e1c con s\u1ed1 t\u1eeb 0 \u0111\u1ebfn 9:<\/p>\n\n\n\n\n\t\n\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t
S\u1ed1 ti\u1ebfng Anh<\/th>Ngh\u0129a ti\u1ebfng Vi\u1ec7t<\/th>V\u00ed d\u1ee5<\/th>Ngh\u0129a ti\u1ebfng Vi\u1ec7t<\/th>\n<\/tr>\n<\/thead>\n
Zero: \/\u02c8zi\u02d0r\u0259\u028a\/<\/td>S\u1ed1 0<\/td>There are zero apples on the table.<\/td>Kh\u00f4ng c\u00f3 qu\u1ea3 t\u00e1o n\u00e0o tr\u00ean b\u00e0n.<\/td>\n<\/tr>\n
One: \/w\u028cn\/<\/td>S\u1ed1 1<\/td>I have one brother.<\/td>T\u00f4i c\u00f3 m\u1ed9t anh trai<\/td>\n<\/tr>\n
Two: \/tu\u02d0\/<\/td>S\u1ed1 2<\/td>She has two cats.<\/td>C\u00f4 \u1ea5y c\u00f3 hai con m\u00e8o.<\/td>\n<\/tr>\n
Three: \/\u03b8ri\u02d0\/<\/td>S\u1ed1 3<\/td>They are going on a three-day trip.<\/td>H\u1ecd s\u1ebd \u0111i du l\u1ecbch ba ng\u00e0y.<\/td>\n<\/tr>\n
Four: \/f\u0254\u02d0r\/<\/td>S\u1ed1 4<\/td>He has four books on his shelf.<\/td>Anh \u1ea5y c\u00f3 b\u1ed1n quy\u1ec3n s\u00e1ch tr\u00ean k\u1ec7 c\u1ee7a m\u00ecnh.<\/td>\n<\/tr>\n
Five: \/fa\u026av\/<\/td>S\u1ed1 5<\/td>We will meet at five o'clock.<\/td>Ch\u00fang ta s\u1ebd g\u1eb7p nhau v\u00e0o l\u00fac n\u0103m gi\u1edd.<\/td>\n<\/tr>\n
Six: \/s\u026aks\/<\/td>S\u1ed1 6<\/td>My phone number ends with a six.<\/td>S\u1ed1 \u0111i\u1ec7n tho\u1ea1i c\u1ee7a t\u00f4i k\u1ebft th\u00fac b\u1eb1ng con s\u1ed1 s\u00e1u.<\/td>\n<\/tr>\n
Seven: \/\u02c8sev.\u0259n\/<\/td>S\u1ed1 7<\/td>There are seven days in a week.<\/td>C\u00f3 b\u1ea3y ng\u00e0y trong m\u1ed9t tu\u1ea7n.<\/td>\n<\/tr>\n
Eight: \/e\u026at\/<\/td>S\u1ed1 8<\/td>She lives on the eighth floor.<\/td>C\u00f4 \u1ea5y s\u1ed1ng \u1edf t\u1ea7ng t\u00e1m.<\/td>\n<\/tr>\n
Nine: \/na\u026an\/<\/td>S\u1ed1 9<\/td>He has nine oranges in his basket.<\/td>Anh \u1ea5y c\u00f3 ch\u00edn qu\u1ea3 cam trong gi\u1ecf.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\t\t<\/div>\n\t<\/div>\n
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S\u1ed1 th\u1ee9 t\u1ef1 trong ti\u1ebfng Anh, Quy t\u1eafc v\u00e0 V\u00ed d\u1ee5<\/strong><\/h2>\n

Trong ti\u1ebfng Anh, ch\u00fang ta s\u1eed d\u1ee5ng c\u00e1c s\u1ed1 th\u1ee9 t\u1ef1 \u0111\u1ec3 ch\u1ec9 v\u1ecb tr\u00ed, th\u1ee9 t\u1ef1 c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng ho\u1eb7c s\u1ef1 ki\u1ec7n.
\nD\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 quy t\u1eafc v\u00e0 v\u00ed d\u1ee5 v\u1ec1 c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c s\u1ed1 th\u1ee9 t\u1ef1:
\n1. \u0110\u1ed1i v\u1edbi c\u00e1c s\u1ed1 th\u1ee9 t\u1ef1 t\u1eeb 1 \u0111\u1ebfn 10, ch\u00fang ta th\u00eam h\u1eadu t\u1ed1 “-th” v\u00e0o cu\u1ed1i s\u1ed1:<\/em><\/strong>
\n– First (1st)
\n– Second (2nd)
\n– Third (3rd)
\n– Fourth (4th)
\n– Fifth (5th)
\n– Sixth (6th)
\n– Seventh (7th)
\n– Eighth (8th)
\n– Ninth (9th)
\n– Tenth (10th)<\/p>\n

V\u00ed d\u1ee5: She finished in second place. (C\u00f4 \u1ea5y v\u1ec1 nh\u00ec.)<\/p>\n

2. \u0110\u1ed1i v\u1edbi c\u00e1c s\u1ed1 th\u1ee9 t\u1ef1 t\u1eeb 11 tr\u1edf \u0111i, ch\u00fang ta th\u00eam h\u1eadu t\u1ed1 “-th” v\u00e0o cu\u1ed1i s\u1ed1:<\/em><\/strong>
\n– Eleventh (11th)
\n– Twelfth (12th)
\n– Thirteenth (13th)
\n– Fourteenth (14th)
\n– Fifteenth (15th)
\n– Sixteenth (16th)
\n– Seventeenth (17th)
\n– Eighteenth (18th)
\n– Nineteenth (19th)<\/p>\n

V\u00ed d\u1ee5: Today is the fifteenth of May. (H\u00f4m nay l\u00e0 ng\u00e0y m\u01b0\u1eddi l\u0103m th\u00e1ng N\u0103m.)<\/p>\n

3. \u0110\u1ed1i v\u1edbi c\u00e1c s\u1ed1 th\u1ee9 t\u1ef1 t\u1eeb 20 tr\u1edf \u0111i, ch\u00fang ta s\u1eed d\u1ee5ng c\u00e1c s\u1ed1 c\u01a1 s\u1edf k\u1ebft h\u1ee3p v\u1edbi h\u1eadu t\u1ed1 “-th”:<\/em><\/strong>
\n– Twenty-first (21st)
\n– Twenty-second (22nd)
\n– Twenty-third (23rd)
\n…
\n– Thirtieth (30th)
\n– Forty-first (41st)
\n– Fifty-second (52nd)
\n…<\/p>\n

V\u00ed d\u1ee5: My birthday is on the twenty-ninth of July. (Ng\u00e0y sinh nh\u1eadt c\u1ee7a t\u00f4i l\u00e0 ng\u00e0y hai m\u01b0\u01a1i ch\u00edn th\u00e1ng B\u1ea3y.)<\/p>\n\n\t\t<\/div>\n\t<\/div>\n

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C\u00e1c s\u1ed1 t\u1eeb 1 \u0111\u1ebfn 100 b\u1eb1ng ti\u1ebfng Anh v\u00e0 c\u00e1ch ph\u00e1t \u00e2m ti\u1ebfng Vi\u1ec7t c\u1ee7a ch\u00fang<\/strong><\/h2>\n

\u0110\u1ec3 tr\u1edf th\u00e0nh ng\u01b0\u1eddi h\u1ecdc ti\u1ebfng Anh th\u00e0nh th\u1ea1o, vi\u1ec7c n\u1eafm v\u1eefng c\u00e1c s\u1ed1 t\u1eeb 1 \u0111\u1ebfn 100 l\u00e0 r\u1ea5t quan tr\u1ecdng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 danh s\u00e1ch c\u00e1c s\u1ed1 t\u1eeb 1 \u0111\u1ebfn 100 v\u00e0 c\u00e1ch ph\u00e1t \u00e2m ti\u1ebfng Vi\u1ec7t c\u1ee7a ch\u00fang:
\nOne (m\u1ed9t)
\nTwo (hai)
\nThree (ba)
\nFour (b\u1ed1n)
\nFive (n\u0103m)
\nSix (s\u00e1u)
\nSeven (b\u1ea3y)
\nEight (t\u00e1m)
\nNine (ch\u00edn)
\nTen (m\u01b0\u1eddi)
\nEleven (m\u01b0\u1eddi m\u1ed9t)
\nTwelve (m\u01b0\u1eddi hai)
\nThirteen (m\u01b0\u1eddi ba)
\nFourteen (m\u01b0\u1eddi b\u1ed1n)
\nFifteen (m\u01b0\u1eddi l\u0103m)
\nSixteen (m\u01b0\u1eddi s\u00e1u)
\nSeventeen (m\u01b0\u1eddi b\u1ea3y)
\nEighteen (m\u01b0\u1eddi t\u00e1m)
\nNineteen (m\u01b0\u1eddi ch\u00edn)
\nTwenty (hai m\u01b0\u01a1i)
\nTwenty-one (hai m\u01b0\u01a1i m\u1ed1t)
\nTwenty-two (hai m\u01b0\u01a1i hai) …
\nThirty (ba m\u01b0\u01a1i)
\nForty (b\u1ed1n m\u01b0\u01a1i)
\nFifty (n\u0103m m\u01b0\u01a1i)
\nSixty (s\u00e1u m\u01b0\u01a1i)
\nSeventy (b\u1ea3y m\u01b0\u01a1i)
\nEighty (t\u00e1m m\u01b0\u01a1i)
\nNinety (ch\u00edn m\u01b0\u01a1i)
\nOne hundred (m\u1ed9t tr\u0103m)<\/p>\n\n\t\t<\/div>\n\t<\/div>\n

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\nCh\u00ednh t\u1ea3 v\u00e0 ph\u00e1t \u00e2m s\u1ed1 th\u1eadp ph\u00e2n ti\u1ebfng Anh<\/strong><\/h2>\n

Trong ti\u1ebfng Anh, ch\u00fang ta s\u1eed d\u1ee5ng d\u1ea5u ch\u1ea5m th\u1eadp ph\u00e2n (decimal point) \u0111\u1ec3 bi\u1ec3u th\u1ecb ph\u1ea7n th\u1eadp ph\u00e2n c\u1ee7a m\u1ed9t s\u1ed1.
\nD\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 v\u00ed d\u1ee5 v\u1ec1 c\u00e1ch ch\u00ednh t\u1ea3 v\u00e0 ph\u00e1t \u00e2m s\u1ed1 th\u1eadp ph\u00e2n:
\na) 1.5: One point five (m\u1ed9t ph\u1ea9y n\u0103m)
\nb) 3.14: Three point one four (ba ph\u1ea9y m\u1ed9t b\u1ed1n)
\nc) 0.5: Zero point five (kh\u00f4ng ph\u1ea9y n\u0103m)
\nd) 2.71828: Two point seven one eight two eight (hai ph\u1ea9y b\u1ea3y m\u1ed9t t\u00e1m hai t\u00e1m)<\/p>\n\n\t\t<\/div>\n\t<\/div>\n

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\nCh\u00ednh t\u1ea3 v\u00e0 ph\u00e1t \u00e2m c\u00e1c s\u1ed1 ph\u00e2n s\u1ed1 trong ti\u1ebfng Anh<\/strong><\/h2>\n

Khi ch\u00fang ta mu\u1ed1n di\u1ec5n t\u1ea3 c\u00e1c s\u1ed1 ph\u00e2n s\u1ed1 trong ti\u1ebfng Anh, ch\u00fang ta s\u1eed d\u1ee5ng t\u1eeb “over” \u0111\u1ec3 ch\u1ec9 ph\u00e2n s\u1ed1. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 v\u00ed d\u1ee5 v\u1ec1 c\u00e1ch ch\u00ednh t\u1ea3 v\u00e0 ph\u00e1t \u00e2m c\u00e1c s\u1ed1 ph\u00e2n s\u1ed1:
1\/2: One half (m\u1ed9t n\u1eeda)
1\/4: One fourth (m\u1ed9t ph\u1ea7n t\u01b0)
3\/4: Three fourths (ba ph\u1ea7n t\u01b0)
2\/3: Two thirds (hai ph\u1ea7n ba)
5\/8: Five eighths (n\u0103m t\u00e1m ph\u1ea7n)<\/p>\n\n\t\t<\/div>\n\t<\/div>\n

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Ph\u1ea7n Tr\u0103m trong Ti\u1ebfng Anh<\/strong><\/h2>\n

Ph\u1ea7n tr\u0103m trong ti\u1ebfng Anh \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng k\u00fd hi\u1ec7u “%”. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch ch\u00ednh t\u1ea3 v\u00e0 ph\u00e1t \u00e2m c\u00e1c s\u1ed1 ph\u1ea7n tr\u0103m:
\na) 25%: Twenty-five percent (hai m\u01b0\u01a1i l\u0103m ph\u1ea7n tr\u0103m)
\nb) 50%: Fifty percent (n\u0103m m\u01b0\u01a1i ph\u1ea7n tr\u0103m)
\nc) 75%: Seventy-five percent (b\u1ea3y m\u01b0\u01a1i l\u0103m ph\u1ea7n tr\u0103m)
\nd) 100%: One hundred percent (m\u1ed9t tr\u0103m ph\u1ea7n tr\u0103m)<\/p>\n\n\t\t<\/div>\n\t<\/div>\n

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Ph\u00e1t \u00e2m c\u00e1c n\u0103m trong ti\u1ebfng Anh<\/strong><\/h2>\n

\u0110\u1ec3 \u0111\u00e1nh v\u1ea7n, ph\u00e1t \u00e2m v\u00e0 ph\u00e1t \u00e2m c\u00e1c n\u0103m trong ti\u1ebfng Anh, ch\u00fang ta c\u1ea7n l\u01b0u \u00fd m\u1ed9t s\u1ed1 quy t\u1eafc ch\u00ednh.
\nD\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 v\u00ed d\u1ee5:
\n– 1990: Nineteen ninety (m\u1ed9t ngh\u00ecn ch\u00edn tr\u0103m ch\u00edn m\u01b0\u01a1i)
\n– 2005: Two thousand five (hai ngh\u00ecn linh n\u0103m)
\n– 2022: Twenty twenty-two (hai ngh\u00ecn hai m\u01b0\u01a1i hai)
\n– 2030: Twenty thirty (hai ngh\u00ecn kh\u00f4ng tr\u0103m ba m\u01b0\u01a1i)
\n– 2050: Twenty fifty (hai ngh\u00ecn kh\u00f4ng tr\u0103m n\u0103m m\u01b0\u01a1i)<\/p>\n\n\t\t<\/div>\n\t<\/div>\n

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C\u00e1c \u0111\u01a1n v\u1ecb ti\u1ec1n t\u1ec7 trong ti\u1ebfng Anh<\/strong><\/h2>\n

Khi n\u00f3i v\u1ec1 ti\u1ec1n trong ti\u1ebfng Anh, ch\u00fang ta c\u1ea7n bi\u1ebft c\u00e1ch \u0111\u00e1nh v\u1ea7n v\u00e0 ph\u00e1t \u00e2m \u0111\u00fang c\u00e1c \u0111\u01a1n v\u1ecb ti\u1ec1n t\u1ec7.
\nD\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 v\u00ed d\u1ee5:
\nDollar (\u0111\u00f4 la)
\nEuro (euro)
\nPound (b\u1ea3ng Anh)
\nYen (y\u00ean Nh\u1eadt)
\nWon (won H\u00e0n Qu\u1ed1c)
\nRupee (rupee \u1ea4n \u0110\u1ed9)
\nBaht (baht Th\u00e1i Lan)<\/p>\n\n\t\t<\/div>\n\t<\/div>\n

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\u0110\u01a1n v\u1ecb \u0111o l\u01b0\u1eddng trong ti\u1ebfng Anh<\/strong><\/h2>\n

Trong ti\u1ebfng Anh, ch\u00fang ta s\u1eed d\u1ee5ng c\u00e1c \u0111\u01a1n v\u1ecb \u0111o l\u01b0\u1eddng \u0111\u1ec3 bi\u1ec3u th\u1ecb k\u00edch th\u01b0\u1edbc, tr\u1ecdng l\u01b0\u1ee3ng, th\u1eddi gian v\u00e0 nhi\u1ec1u \u0111\u01a1n v\u1ecb kh\u00e1c.
\nD\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 v\u00ed d\u1ee5 v\u1ec1 c\u00e1ch \u0111\u00e1nh v\u1ea7n v\u00e0 ph\u00e1t \u00e2m \u0111\u00fang c\u00e1c \u0111\u01a1n v\u1ecb \u0111o l\u01b0\u1eddng:
\n– Inch (inch): \/\u026ant\u0283\/
\n– Foot (foot): \/f\u028at\/
\n– Pound (pound): \/pa\u028and\/
\n– Ounce (ounce): \/a\u028ans\/
\n– Gallon (gallon): \/\u02c8\u0261\u00e6l\u0259n\/
\n– Mile (mile): \/ma\u026al\/
\n– Second (second): \/\u02c8s\u025bk\u0259nd\/
\n– Minute (minute): \/\u02c8m\u026an\u026at\/
\n– Hour (hour): \/a\u028a\u0259r\/
\n– Kilogram (kilogram): \/\u02c8k\u026al\u0259\u02cc\u0261r\u00e6m\/
\n– Meter (meter): \/\u02c8mi\u02d0t\u0259r\/<\/p>\n\n\t\t<\/div>\n\t<\/div>\n

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C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 c\u00e1c con s\u1ed1 trong Ti\u1ebfng Anh<\/strong><\/h2>\n

C\u00e2u 1: Ai \u0111\u00e3 s\u00e1ng t\u1ea1o ra s\u1ed1 0?<\/em><\/strong>
\nS\u1ed1 0 \u0111\u01b0\u1ee3c coi l\u00e0 m\u1ed9t kh\u00e1i ni\u1ec7m to\u00e1n h\u1ecdc \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n t\u1eeb c\u00e1c v\u0103n b\u1ea3n \u1ea4n \u0110\u1ed9 c\u1ed5 \u0111\u1ea1i. Tuy nhi\u00ean, kh\u00f4ng c\u00f3 m\u1ed9t ng\u01b0\u1eddi c\u1ee5 th\u1ec3 n\u00e0o \u0111\u01b0\u1ee3c ghi nh\u1eadn l\u00e0 s\u00e1ng t\u1ea1o ra s\u1ed1 0.<\/p>\n

C\u00e2u 2: S\u1ed1 \u0111\u1ebfm \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh nh\u01b0 th\u1ebf n\u00e0o? <\/em><\/strong>
\nS\u1ed1 \u0111\u1ebfm \u0111\u00e3 ph\u00e1t tri\u1ec3n t\u1eeb nhu c\u1ea7u ghi nh\u1eadn v\u00e0 truy\u1ec1n \u0111\u1ea1t s\u1ed1 l\u01b0\u1ee3ng. Ban \u0111\u1ea7u, con ng\u01b0\u1eddi s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p nh\u01b0 \u0111\u1ebfm b\u1eb1ng ng\u00f3n tay, c\u00e1t, ho\u1eb7c c\u00e1c v\u1eadt th\u1ec3 kh\u00e1c \u0111\u1ec3 \u0111\u1ebfm. D\u1ea7n d\u1ea7n, c\u00e1c h\u1ec7 th\u1ed1ng s\u1ed1 v\u00e0 k\u00fd hi\u1ec7u s\u1ed1 ph\u00e1t tri\u1ec3n \u0111\u1ec3 thu\u1eadn ti\u1ec7n h\u01a1n cho vi\u1ec7c \u0111\u1ebfm.<\/p>\n

C\u00e2u 3: T\u1ea1i sao ch\u00fang ta s\u1eed d\u1ee5ng c\u01a1 s\u1ed1 10 trong h\u1ec7 th\u1ed1ng s\u1ed1 c\u1ee7a ch\u00fang ta? <\/em><\/strong>
\nS\u1eed d\u1ee5ng c\u01a1 s\u1ed1 10 trong h\u1ec7 th\u1ed1ng s\u1ed1 c\u1ee7a ch\u00fang ta c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb vi\u1ec7c s\u1eed d\u1ee5ng ng\u00f3n tay \u0111\u1ec3 \u0111\u1ebfm. Con ng\u01b0\u1eddi c\u00f3 10 ng\u00f3n tay, do \u0111\u00f3 vi\u1ec7c s\u1eed d\u1ee5ng c\u01a1 s\u1ed1 10 gi\u00fap thu\u1eadn ti\u1ec7n trong vi\u1ec7c \u0111\u1ebfm v\u00e0 bi\u1ec3u di\u1ec5n s\u1ed1 l\u01b0\u1ee3ng.<\/p>\n

C\u00e2u 4: \u00dd ngh\u0129a c\u1ee7a s\u1ed1 “zero” trong to\u00e1n h\u1ecdc l\u00e0 g\u00ec? <\/em><\/strong>
\nS\u1ed1 “zero” trong to\u00e1n h\u1ecdc c\u00f3 \u00fd ngh\u0129a quan tr\u1ecdng. N\u00f3 \u0111\u1ea1i di\u1ec7n cho m\u1ed9t gi\u00e1 tr\u1ecb kh\u00f4ng, s\u1ef1 v\u1eafng m\u1eb7t ho\u1eb7c kh\u00f4ng c\u00f3 g\u00ec. S\u1ed1 zero c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c ph\u00e9p t\u00ednh v\u00e0 c\u00f3 vai tr\u00f2 quan tr\u1ecdng trong c\u00e1c thu\u1eadt to\u00e1n v\u00e0 kh\u00e1i ni\u1ec7m to\u00e1n h\u1ecdc kh\u00e1c.<\/p>\n