c gt gt c2 gt c2 a b 2 gt 0

SKKN Sử dụng hằng đẳng thức (A B)2=A2 2AB+B2  để  giải phương trình

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... tra hc kỡ I ca nm hc: 20 0 8 20 09 v hc kỡ I nm hc: 20 09 - 20 10 ca lp trng PTCS Nam Thng Bng Loi C< /b> ch dy C < /b> Mi Gii Khỏ TB Yu Kộm ( %) 2. 8 3.1 (%) 11 .2 12. 4 (%) 44.8 69 (%) 30 15.5 (%) 11 .2 3.1 Trờn TB ... m ch dựng ỏnh giỏ hiu qu ca ti) ú c < /b> lng ghộp c< /b> c < /b> bi l c< /b> c < /b> dng toỏn gii phng trỡnh ó nờu ti Bng thng kờ im kim tra cha s dng ti lp nm hc 20 08 - 20 09 Bng im S hc sinh t c < /b> T l (%) 2. 8 3 10 21 .6 ... sau: Dạng 1: Phơng trình quy dạng (A < /b> B) 2 = (A < /b> B) =0 Dạng 2: Phơng trình quy dạng (A < /b> B) 2 = (C < /b> D )2 A < /b> B = C < /b> D A < /b> B = (C < /b> D ) Dạng 3: Phơng trình quy dạng (A < /b> B )2 + (C < /b> D )2 + (E F)2...

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trắc nghiệm tiếng anh trình độ A , B ,C

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... Copyright 20 05 by Hp Group (www.hp-vietnam.com) All right reserved Trang web www.hp-vietnam.com c< /b> nhiều tài liệu tiếng Anh, trình độ A,< /b> B, C,< /b> IELTS TOEFL Copyright 20 05 by Hp Group ... IELTS TOEFL Copyright 20 05 by Hp Group (www.hp-vietnam.com) All right reserved Trang web www.hp-vietnam.com c< /b> nhiều tài liệu tiếng Anh, trình độ A,< /b> B, C,< /b> IELTS TOEFL Copyright 20 05 by Hp Group ... IELTS TOEFL Copyright 20 05 by Hp Group (www.hp-vietnam.com) All right reserved Trang web www.hp-vietnam.com c< /b> nhiều tài liệu tiếng Anh, trình độ A,< /b> B, C,< /b> IELTS TOEFL Copyright 20 05 by Hp Group...

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... father a < /b> than b as c < /b> but d and > a < /b> 48 I am teacher a < /b> the b a < /b> c < /b> an d no article > b 49 My uncle is good engineer a < /b> the b a < /b> c < /b> an d no article > b 50 That is eraser a < /b> the b a < /b> c < /b> an d no article ... pupil a < /b> the b a < /b> c < /b> an d no article > b 55 That is a < /b> bag It is on table a < /b> the b a < /b> c < /b> an d no article > a < /b> 56 We are in same class a < /b> the b a < /b> c < /b> an d no article > a < /b> 57 Your book is the desk a < /b> at b ... young brother can sing but I a < /b> aren't b can c < /b> can't d am not > c < /b> 108 When's your birthday? - It's a < /b> in 19 90 b on May 20 th c < /b> in October d in May 20 th > b 109 Mr Baker want a < /b> new raincoat?...

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... represent concrete concepts such as nouns, verbs, adjectives, and adverbs Hiragana: A < /b> phoenetic alphabet, or syllabary (a < /b> set of characters, where each character represents a < /b> syllable) used to ... せん 20 00 じゅう はち 18 さん ぜん 300 0 じゅう きゅう 19 よん せん 400 0 に じゅう 20 ご せん 500 0 にじゅう いち 21 ろく せん 600 0 に じゅう に 22 なな せん 700 0 38 Tiếng Nhật Đào Ng c < /b> S c < /b> さん じゅう 30 はっ せん 800 0 よん じゅう 40 きゅう せん 900 0 ご じゅう 50 ... sentence means "Are you an American?" The word ka is a < /b> particle which makes a < /b> sentence a < /b> question Examples: Anata wa Nihon-jin desu ka (Are you Japanese?) Anata wa Suzuki-san desu ka (Are you...

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... danh t hoc ng danh t Jan was worried because it had started to rain Jan was worried because of the rain We arrived late because there was a < /b> traffic jam We arrived late because of a < /b> traffic jam ... x c < /b> ca mt quc gia nm gia nhng quc gia kh c < /b> cho dự l > Vietnam lies between China, Laos and Cambodia Between c< /b> n c < /b> dựng cho c< /b> c < /b> quóng c< /b> ch gia c< /b> c < /b> vt v c< /b> c < /b> gii hn v mt thi gian Difference + between ... ngha ca c< /b> u khụng b nh hng bi v trớ ca phú t, nhng hai c< /b> u sau thỡ c< /b> s kh c < /b> Cõu cho bit c< /b> u tr li ca c< /b> ta l ngc ngch, c< /b> n c< /b> u c< /b> ngha C< /b> y tht ngc ngch tr li c< /b> u hi Phú t foolishly ng cui c< /b> u...

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... 0, 0 900 0, 0 800 0, 0 600 0, 0 400 0, 03 40 0, 02 6 5 0, 02 2 0 0 ,01 65 0, 0115 0, 005 7 III,IV 0, 0755 0, 06 30 0 ,05 60 0, 02 4 0 0, 02 9 0 0, 02 8 0 0 ,01 85 0, 01 50 0 ,01 15 0, 008 0 0, 004 5 V 0, 0 7 20 0, 0 600 0, 05 30 0 ,04 00 0, 02 7 5 0, 02 6 5 ... 0, 004 0 V Tng d toỏn I 0, 09 60 0 ,0 7 20 0, 0675 0, 0585 0, 03 82 0, 0 306 0, 02 7 0 0 ,01 93 0, 01 12 0, 009 9 0, 005 5 I 0, 0 900 0, 07 50 0 ,06 50 0 ,05 00 0 ,03 40 0, 02 4 0 0, 02 2 5 0, 01 80 0 ,01 15 0, 009 5 0, 005 0 II 0, 108 0 0, 0 900 ... 0, 03 60 0 ,03 15 0, 02 2 5 0, 0157 0, 01 12 0, 005 6 II 0, 07 02 0, 0585 0, 05 40 0 ,04 50 0 ,03 15 0, 02 5 2 0, 02 2 0 0 ,01 57 0, 01 12 0, 008 1 0, 004 5 III,IV 0, 0666 0, 0558 0, 0513 0, 0 427 0, 0 301 0, 02 3 8 0, 02 1 1 0, 0148 0, 0 108 0, 007 6...

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... appointment a < /b> to cancel b cancel c < /b> canceling d canceled a < /b> 10 A < /b> computer is usually chosen because of its simplicity of operation and ease of maintenance its capacity to store information a < /b> ... father a < /b> than b as c < /b> but d and > a < /b> 48 I am teacher a < /b> the b a < /b> c < /b> an d no article > b 49 My uncle is good engineer a < /b> the b a < /b> c < /b> an d no article > b 50 That is eraser a < /b> the b a < /b> c < /b> an d no article ... pupil a < /b> the b a < /b> c < /b> an d no article > b 55 That is a < /b> bag It is on table a < /b> the b a < /b> c < /b> an d no article > a < /b> 56 We are in same class a < /b> the b a < /b> c < /b> an d no article > a < /b> 57 Your book is the desk a < /b> at b...

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Start With English 1 Unit 1 A B C D

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... Find out your number no yes a < /b> B C < /b> D cat cap dog doll apple ant book bag cat cap dog doll auto ...

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... b a < /b> c < /b> an d no article c < /b> 53 They are tall a < /b> the b a < /b> c < /b> an d no article →d 54 Hoa is good pupil a < /b> the b a < /b> c < /b> an d no article b 55 That is a < /b> bag It is on table a < /b> the b a < /b> c < /b> an d no article ... let's b 107 My young brother can sing but I a < /b> aren't b can c < /b> can't d am not c < /b> 108 When's your birthday? - It's a < /b> in 19 90 b on May 20 th c < /b> in October d in May 20 th b 109 Mr Baker want a < /b> new ... uncle is good engineer a < /b> the b a < /b> c < /b> an d no article b 50 That is eraser a < /b> the b a < /b> c < /b> an d no article c < /b> 51 We are both doctors a < /b> the b a < /b> c < /b> an d no article →d 52 This is ink pot a < /b> the b...

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... b a < /b> c < /b> an d no article c < /b> 53 They are tall a < /b> the b a < /b> c < /b> an d no article →d 54 Hoa is good pupil a < /b> the b a < /b> c < /b> an d no article b 55 That is a < /b> bag It is on table a < /b> the b a < /b> c < /b> an d no article ... let's b 107 My young brother can sing but I a < /b> aren't b can c < /b> can't d am not c < /b> 108 When's your birthday? - It's a < /b> in 19 90 b on May 20 th c < /b> in October d in May 20 th b 109 Mr Baker want a < /b> new ... uncle is good engineer a < /b> the b a < /b> c < /b> an d no article b 50 That is eraser a < /b> the b a < /b> c < /b> an d no article c < /b> 51 We are both doctors a < /b> the b a < /b> c < /b> an d no article →d 52 This is ink pot a < /b> the b...

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... A < /b> accessibly B access C < /b> accessible D inaccessible d 19 his highly individual conceptions of music and chaos, John Cage became a < /b> leading figure in avant-garde music A < /b> Such was B Due to C < /b> Because ... here are A < /b> reason B reasonable C < /b> reasonably D a < /b> reason > b 28 2 Do you feel to this kind of job? A < /b> attractive B attracted C < /b> attraction D attract > b 28 3 American women independent A < /b> are ... young brother can sing but I A < /b> aren't B can C < /b> can't D am not > c < /b> 108 When's your birthday? - It's A < /b> in 19 90 B on May 20 th C < /b> in October D in May 20 th > b 109 Mr Baker want a < /b> new raincoat?...

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... VĂN (b ng A,< /b> B ,C,< /b> DB) Tỉnh N .A < /b> năm h c < /b> 08 - 09 MễN NG VN BNG B C< /b> u 1(6 ,0 im) S cu th bt c < /b> ngh gỡ cng l mt s bt lng (Nam Cao) Suy ngh ca anh, ch v ý kin trờn C< /b> u ( 6 ,0 im) Cm nhn ca anh, ch v ... VN BNG C < /b> Cõu 1(6 ,0 im) S cu th bt c < /b> ngh gỡ cng l mt s bt lng (Nam Cao) Suy ngh ca anh, ch v ý kin trờn C< /b> u ( 6 ,0 im) Cm nhn ca anh, ch v hỡnh nh ngn ốn ca ch Tý truyn Hai a < /b> tr (Thch Lam) C< /b> u ... lp lun cht ch - Tớnh lun chin l nột c < /b> sc phong c< /b> ch chớnh lun ca B c < /b> PHAN ANH C< /b> NG 13 Đề - Đáp án thi HSG VĂN (b ng A,< /b> B ,C,< /b> DB) Tỉnh N .A < /b> năm h c < /b> 08 - 09 C< /b> u 3: í 1: Gii thiu chung í 2: c < /b> sc ngh...

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kiem tra 15  ( a,b,c) u 1-2 lop 12

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... salary A < /b> marry B married C < /b> marriage D marrying 12 The boys broke the window when they _ football A < /b> played B were playing C < /b> had played D are playing 13 “No parking” It means: A < /b> There is no park ... another A < /b> on B for C < /b> of D off To Americans, it is impolite to ask someone about age, and salary A < /b> marry B married C < /b> marriage D marrying The boys broke the window when they _ football A < /b> ... have complain about the dirty smoke from the factory A < /b> B C < /b> D He is believed be the best player in our team A < /b> B C < /b> D My little daughter is going to being taken to day care center A < /b> B C < /b> D If you...

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... a < /b> call b is called c < /b> is calling d called b 28 You shouldn't eat the processed food containing artificial a < /b> additions b additives c < /b> adages d additionals b 29 The from Japan were greeted at ... b tariffs c < /b> prices d fees a < /b> 21 It was said that the political was jailed for organizing demonstrations a < /b> colonizer b activist c < /b> freewheel d bloc b 22 You had better check the rate of before ... the dates shown and can’t be changed a < /b> valid b useful c < /b> paid d legal a < /b> 17 We haven’t scored any yet a < /b> goal b match c < /b> kick d game a < /b> 18 Miss White finds her new job very a < /b> stressed b stressful...

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... of Chinese a < /b> knowledge b quotation c < /b> standard d condition a < /b> 43 Don't worry about luggage as the car has a < /b> large a < /b> bonnet b brake c < /b> boot d bumper c < /b> 44 Jean’s talking to a < /b> reporter about ... the valuable watch a < /b> dropped b to dropping c < /b> dropping d to drop c < /b> 20 If you a < /b> picnic, remember to take some fruits with you a < /b> go for b travel c < /b> make d run a < /b> 21 They walked because they couldn't ... was going a < /b> anyone b no one c < /b> one d none a < /b> 41 Tam said that many roads were in Danang city a < /b> been built b being built c < /b> building d been building b 42 My boss needs a < /b> person with a < /b> good working...

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... another as a < /b> result of processes chemical a < /b> the study of b of elements c < /b> as a < /b> d processes chemical →d Grammar and Vocabulary 11 That factory has no for temporary workers a < /b> places b vacancies c < /b> chances ... b a < /b> teacher b break c < /b> meal d peak b a < /b> blank b stand c < /b> enhance d hand c < /b> a < /b> form b work c < /b> born d torn b Find the mistakes Some birds, such as quails, can move instant from a < /b> resting ... a < /b> she’s got b she is c < /b> she got d has she a < /b> 25 My father has been an of that company for 20 years a < /b> employed b employee c < /b> employ d employer b 26 His name is Charles Chang, but you can always...

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