-3 -1 - + - 7 7

giúp mik với ạ 1 bài thôi ạ vote 5 *

1 2.x-6.x.y=4 2 $\frac{2}{3}$ +$\frac{1}{3}$ .$(2x-1)$=$-5$ 3 5 . 2/3 +6,20

Giúp em với ạ :(( cảm ơn mọi người

Tìm giá trị nhỏ nhất của x mũ 2 - 2x +4y +y mũ 2 +3

Giải pt: Sin3x + cos2x - cosx =0 Giúp mk gấp vs ạ

cho Δ ABC, đường cao AH . Vẽ ra phía ngoài của Δ các Δ vuông cân ABD, ACE. Qua C vẽ đường thẳng vuông góc với BE cắt đường thẳng HA tại K. CMR: các đường thẳng AH, BE,CD là đường đồng quy. *giúp mình ạ*

1 For questions 1–36, choose the best word or phrase (A, B or C). 1 I .................got a computer but I’ve got a tablet. A don’t B ’ve C haven’t 2 Sue: I love Rita Ora! ................. her? Mike: No. I prefer Ed Sheeran. A Do you like B Are you like C Does you like 3 Marie.................. play a musical instrument, John? John: Yes. I play the piano. A Can you B Do you can C Are you 4 That’s Jana. She’s ................ to her friend. A talks B talk C talking 5 Amy: Where ................ you yesterday? Jill: I was at my grandmother’s house. A were B did C are 6 Angel: Messi’s the................. footballer in the world. Ricardo: No, he isn’t. Ronaldo is! A most good B best C better 7 I .................to the radio every day. A read B watch C listen 8 Dad: Where are you going? Mum: To the.................. I need to buy some boots. A chemist’s B newsagent’s C shoe shop 9 Mary is very ..................She always helps me when I have a problem. A hard-working B kind C creative 10 You................. tell anyone – it’s a secret. A don’t have to B must C mustn’t 11 When I was five I .................swim but now I can. A couldn’t B can’t C could 12 While we ................ to school, it started snowing. It was beautiful! A was walking B were walking C walked 13 Harry: What are you doing tonight? Ben: I................. basketball with Michael. Do you want to come? A ’m playing B will play C play 14 I haven’t finished cleaning my bike …………….. A already B just C yet 15 If ……………. to the concert later, ................ with you. A you’ll go / I come B you go / I’ll come C you go / I come 16 He’s a .................. He writes articles for the newspaper. A dentist B journalist C secretary 17 Customer: I’d like a................. of pizza, please. Server: Of course. Here you are. A packet B slice C carton 18 George: These trousers are a bit big. Dad: Yes, I think you need to buy a ……………. . A cap B scarf C belt 19 That is the man ................ name I can’t pronounce. A whose B who C which 20 My best friend isn’t.................my sister. A as old than B as old as C so old than 21 Can you turn the music down, it’s …………….. A not enough loud B not loud enough C too loud 22 James: What ……………. if you.................€100 in the street? Lisa: I’d give it to the police. A will you do / found B would you do / would find C would you do / found 23 My brother and sister .................play football together when they were younger. A did use to B use to C used to 24 I enjoyed................ my homework last night. A do B to do C doing 25 Mum: What’s the matter? Natalie: I sang too much at the concert and now my throat is …………….. A injured B sore C ache 26 I am very .................in learning Chinese next year. A interesting B interest C interested 27 If I don’t know a word I always ................ using an online dictionary. A look it for B look up it C look it up 28 I’ve lived in London ................ 20 years but I’ve never visited London Zoo. A for B since C from 29 By this time next week, we................. our exams and we’ll be on holiday! A ’ll be finishing B ’re going to finish C ’ll have finished 30 This film, ................ won three Oscars, stars Johnny Depp and is directed by Tim Burton. A which B where C that 31 It .................John who used the computer because he doesn’t know the password. A mustn’t be B can’t have been C might have been 32 If you ……………. football for five hours you................ so tired. A wouldn’t have played / wouldn’t have felt B hadn’t played / won’t feel C hadn’t played / wouldn’t have felt 33 I wish I ................. as well as her. She’s got such a lovely voice. A sing B can sing C could sing 34 When we entered the church it was .................inside. A absolutely packed B very enormous C absolutely old 35 My teacher is very good .................grammar. A for explain B in explaining C at explaining 36 Sally, could you ................ me some money, please? A owe B lend C borrow

Viết một đoạn văn 7-10 câu, nêu cảm nghĩ của em về nhân vật người cha trong văn bản "Mẹ tôi" của Ét- môn đơ A -mi- xi.

giải giúp mình với cần gấp lắm ạ