` (x-2/3) + 5/4 = 61/36`
`=> x - 2/3 + 5/4 = 61/36`
`=> x = 61/36 + 2/3 - 5/4`
`=> x = 61/36 + 24/36 - 45/36`
`=> x = 10/9`
Vậy `x = 10/9`
`( x - 2/3 ) + 5/4 = 61/36`
`( x - 2/3) = 61/36 - 5/4`
`x - 2/3 = 4/9`
`x = 4/9 + 2/3`
`x = 10/9`
mn chỉ em nhanh cái ạ Có giải thích nữa nhé
Read the passage and choose the best answer (A, B or C) to each statement. Da Nang is one of the most peaceful cities in Viet Nam with a lot of beautiful beaches. This is a wonderful place for those who love seas and enjoy fresh air. Life here is not so busy as that in Ho Chi Minh City. It is not only a beautiful city but also a safe place to live in. Every evening, after work, you can easily catch the sight of families riding to the beach, leaving their motorbikes. They believe that their vehicles will still be there when they come back. There is no beggar here and the air is fresh. Another good thing is the food. If you love sea food, Da Nang will be the right choice. The food here is very fresh and the price is cheaper than that in Ho Chi Minh City. 1. Da Nang is a good place for sea lovers. A. Right B. Wrong C. Doesn’t mention 2. The life in Da Nang is busier than that in Ho Chi Minh City. A. Right B. Wrong C. Doesn’t mention 3. There are beautiful mountains in Da Nang. A. Right B. Wrong C. Doesn’t mention 4. It is not expensive to buy seafood in Da Nang City. A. Right B. Wrong C. Doesn’t mention 5. Da Nang is not only peaceful but also beautiful. A. Right B. Wrong C. Doesn’t mention Read the passage and choose the best word (A, B or C) to put in each space. Hoi An is one of the (1) ................. towns in Viet Nam. It (2) ................. on the lower section of the Thu Bon river. It is a very beautiful town with a s lot of colour (3) ................. which are hung (4) ................. the town. Hoi An is famous for one-(5) ................. tailoring. Customers order clothes (6) ................. the morning and get them in the (7) ................. . The price is not really (8) ................. . If you want to find the place of the (9) ................. time, Hoi An is a (10) ................. choice. 1. A. newer B. newest C. oldest 2. A. are B. is C. are being 3. A. lanterns B. stars C. balloons 4. A. on B. around C. up 5. A. month B. week C. day 6. A. at B. in C. on 7. A. night B. afternoon C. evening 8. A. expensive B. cheap C. more expensive 9. A. modern B. old C. new 10. A. best B. worst C. good Read about Da Nang City and answer the questions. Da Nang has a population of nearly 800,000 people. The Han River flows through the city. The city part on the east bank is newest and more spacious. The city part on the west bank is more crowded. There are five bridges across the river. The Han River Bridge is the newest one now. The cost of living in Da Nang is the lowest in the Cental Viet Nam. Da Nang has many beaches. Among them, Non Nuoc Beach is one of the most beautiful beaches in the world. But walking in the street on a summer after is not a good idea in Da Nang. There are not many trees so there are not many shadows. It is often very hot at noon. Questions: 1. What is the population of Da Nang? 2. Which part of the city is more spacious? 3. Which part of the city is more crowded? 4. Which bridge is the newest? 5. What is Non Nuoc Beach like? Rewrite the sentences. Ex: They were married five years ago. −> They have been married for five years. 1. The last time we saw her was on Christmas day. We haven’t 2. I haven’t eaten this kind of food before. This is 3. It started raining an hour ago. It has 4. We haven’t visited my grandfather for two months. The last time 5. I have studied English for three years. I began 6. My brother hasn’t seen his best friend for nearly five years. It’s 7. When did you start learning English? How long 8. We started living here fifteen years ago. We have 9. The last time she visited me was five years ago. She hasn’t 10. I last wrote to my uncle in July. I haven’t 11. It’s long time since we became close friend. We have 12. Minh began to collect stamps in 2000. Minh has Rewrite the following sentence without changing their meaning. Ex: They were married five years ago. −> They have been married for five years. 1. This is the first time he went abroad. He hasn’t 2. She started driving 1 month ago. She has 3. We began eating when it started to rain. We have 4. I last had my hair cut when I left her. I haven’t 5. The last time she kissed me was 5 months ago. She hasn’t 6. It is a long time since we last met. We haven’t 7. When did you have it? How long 8. This is the first time I had such a delicious meal. I haven’t 9. I haven’t seen him for 8 days. The last 10. I haven’t taken a bath since Monday. It is
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