Muốn nhanh thì phải từ từ ^^
$-2[x+(-7)]+(x-3)=12$
$⇔ -2x + 14 + x - 3 = 12$
$⇔ -2x + x = 12 + 3 -14$
$⇔ -x = 1$
$⇔ x = -1$
Vậy $x = -1$
Các chuyên gia giúp với ạ
Đọc văn bản '' Tinh thần yêu nước của nhân dân ta'' . Để làm sáng tỏ tinh thần yêu nước của nhân dân ta là một truyền thống quý báu tác giả đã đưa ra những dẫn chứng nào?
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Giúp mình 3 câu tiếng anh này vs cảm ơn 1. I will join in a contest which participants have to make a fire. =>I will join in a 2. “ I must go home now,” he said.=>He said 3. “I can’t go out after 8 p.m,”Hoa said.=>Hoa said
B-READING: Question IV 1.Fill the gaps with the words/ phrases in the box:(1,5pts) In addition Also As I have noted In my opinion Besides I think My favorite leisure activity is listening to music. (1) _________, listening to music not only helps me relax but also provides me with musical knowledge. I (2)_______________ like the time that I can lie lazily in bed, put on the small earphone with my iPod and enjoy any favorite songs of many kinds of music: pop, hip-hop, rock or jazz. I like pop music very much because I think it is gentle and suitable for teenagers. I listen to rock music when I am sad and after that I feel cheerful and happy. (3)________________ music from other countries is also good for teenagers to understand other cultures. (4)________________ that, the lyrics are easy to understand and interesting. (5)_______________, it can improve my English and listening skills. (6)_______________, music is an important part of my life and it helps me love my life more. 2. Read the following passage, and answer the questions below: ( 1point) Duong Lam: An ancient Vietnamese village Duong Lam Village is located in Duong Lam Commune at a 45km distance from Hanoi. It is the birthplace of two kings in the history of Vietnam, Phung Hung and Ngo Quyen, who opened up the long-term self-control and independence period of Vietnam after Bach Dang Victory in the year 938. All houses, gates, village gates and wells are built of laterite creating an architectural complex, a unique village that is typical for villages in the midlands in the North of Vietnam. At present, there are still nearly old 200 houses and many other historical monuments such as Phung Hung Temple, Ngo Quyen Royal Tomb, MongPhu Communal House, Ho Gam Hill at which Phung Hung liked tigers to rescue villagers and the temple at which the diplomat Giang Van Minh is worshiped. 1. Where is Duong Lam village? ____________________________________________________________ 2. Who were the two kings whose birthplace is Duong Lam Village? ____________________________________________________________ 3. What is Duong Lam typical for? ____________________________________________________________ 4. How many old houses are there in Duong Lam? ____________________________________________________________ C-WRITING: Question V. Reorder the words to make the meaningful sentences. a. Use the adjectives in brackets in their correct forms of comparison to complete the sentences. (1,0point) 1/ The new bed is …………………. than my old bed. ( comfortable) 2/ The Mekong River is ……………the Red River . (long) b. Rewrite the second sentence so that it has a similar meaning to the first one(2.5 points) 1. Tea is cheaper than coffee. F Coffee .……….……….……….……….……….………………………….… 2. I adore listening to music every day. F I enjoy …………….……….…….……….……….……….……………………. 3. The red car is more expensive than the black one. F The black car ….……….……….……….……….……….…………………… 4. No one in my group is more intelligent than Long. F Mary……….……….…….……….……….……………….….……….…… 5. Son Tung M-TP performs the song “Chung ta khong thuoc ve nhau” very beautifully. FThe song “Chung ta khong thuoc ve nhau”…………………………….………
Một người đi xe đạp từ A đến B với vận tốc 15km/h. Lúc đi từ B về A người đó chọn con đường khác dài hơn lúc đi 3km, nhưng với vận tốc lớn hơn vận tốc lúc đi là 3km/h. Vì vậy thời gian đi về hết ít hơn thời gian đi 15 phút. Tính quãng đường lúc đi
PHẦN I: ĐỌC HIỂU (4,0 điểm) Đọc đoạn văn sau và trả lời các câu hỏi: Trăng đã lên. Mặt sông lấp loáng ánh vàng. Núi trùm cát trắng đứng sừng sững bên bờ sông thành một khối tím thẫm, uy nghi, trầm mặc. Dưới ánh trăng, dòng sông sáng rực lên, những con sóng nhỏ lăn tăn gợn đều mơn man vỗ nhẹ vào hai bên bờ cát. (Trích Trong cơn gió lốc- Khuất Quang Thụy) 1. Đoạn văn trên được viết theo phương thức biểu đạt nào? 2. Tìm ba cụm danh từ có trong đoạn văn trên 3. Xác định các từ láy có trong đoạn văn. 4. Cảm nhận của em về cảnh được miêu tả trong đoạn văn trên. PHẦN II: LÀM VĂN (16,0 điểm) Câu 1 (6,0 điểm): Từ nội dung đoạn văn trên em hãy viết một đoạn văn miêu tả cảnh trăng đẹp ở làng quê em. Câu 2 (10,0 điểm): Cho bài thơ sau: Đàn chim se sẻ Hót trên cánh đồng Bạn ơi biết không Hè về rồi đó Chiều nay bạn gió Mang nồm về đây Ôi mới đẹp thay! Phượng hồng mở mắt Dòng sông trong vắt Trườn lên bãi xa Một chuyến đò qua Mang theo lũ bướm Cánh diều bay lượn Thênh thang lúa đồng Bạn ơi thích không? Hè về rồi đó (Hè về, Nguyễn Lãm Thắng) Dựa vào ý bài thơ trên và tên của bài thơ, kết hợp với trí tưởng tượng của mình, em hãy viết thành một bài văn miêu tả.
giúp với plese!!!!!!!!!!!!!!!!!!!!!
tại sao việt nam không bị đồng hóa
III. Put the sentences (A – J) in the correct order (1 – 10) to make a meaningful conversation. Write your answers on the answer sheet. A. Goodbye. B. Yes, can you come at ten to three on Wednesday afternoon? C. What name is it, please? D. Yes, that’s fine. E. It’s Tom Smith. F. Yes, can I make an appointment with doctor Wall, please? G. No, I’m sorry, I can’t. What about the evening? H. Good morning. Can I help you? I. Thank you Mr. Smith. Goodbye. J. Doctor Wall isn’t here in the evening on Wednesday, I’m afraid. I can put you in at half past six on Thursday evening. IV. Read the text below and think of ONE word which best fits each gap. Write your answers on the answer sheet. Regular exercise such as jogging or swimming is good for your heart. It can also give you more energy to enjoy life. As a (1) ______ of regular exercise, your body gets better at using oxygen. It becomes easier for your heart to pump blood (2) ______ your body. After a while, the heart doesn’t need to work quite as hard. Exercise is often thought to be an easy way of losing weight. But in (3) ______, exercise tends to increase your appetite. Many people discover they lose no weight with exercise alone. (4) ______ diet and exercise are needed to achieve this. Some people exercise because they think it will help them to live longer. If that is your reason for exercising, then you (5) ______ avoid short, intensive exercise. Squash, for example, (6) ______is a fast game, may be harmful (7) ______you’re unfit or middle-aged. Other sports can be dangerous (8) ______. Although both rugby and football are popular sports, a rugby player is three (9) ______ more likely to be injured than a tennis player. It is advisable, (10) ______, to choose a sport that suits you and not one that is going to harm you. YOUR BEST FRIEND IN DISGUISE? Do you (1) ______ people on what they look like? I think we all (2) ______ that we shouldn’t do this although many of us still do. Some people are impressed by clothes from a particular (3) ______; others think that things such as someone’s hairstyle is critical to their (4) ______ of someone. But, if you sit and chat to people, you can see that, whatever they look (5) ______, that person may be really good (6) ______ and could become a close friend of yours – if only they were given the (7) ______ The point is that we should take people as they are and not dismiss them just because they (8) ______ differently from us. You may ignore someone who could be your best friend just because they are (9) ______ the wrong jeans. We need to look past the clothes, the tattoos and the hairstyles and think about personality, not (10) ______. 1. A. decide B. rule C. consider D. judge 2. A. notice B. catch C. realize D. aware 3. A. seller B. designer C. cutter D. maker 4. A. view B. sight C. thought D. picture 5. A. alike B. as C. similar D. like 6. A. pleasure B. laugh C. fun D. sport 7. A. moment B. opportunity C. occasion D. hope 8. A. dress B. wear C. clothe D. look 9. A. fitting B. wearing C. matching D. carrying 10. A. figure B. form C. manner D. appearance
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