B=1/5.7 + 1/7.9 + 11.13+....+1/2019.2021 2 phút tick đủ Dạng tích tổng dãy phân số

a/ Vẽ góc xOy=180 độ b/Vẽ tia phân giác Ot của góc xOy c/Tính xOt và yOt

Lập dàn ý chi tiết: Em hãy tưởng tượng sau 10, 20 em quay lại trường cũ

Giúp em nhanh bài này với mn ưiii

Có góc BAC = 20 độ CAD = 60 độ ADB = 50 độ BDC =10 độ -> a) Tính góc ABD,ACD b) Tính góc O1,O2,O3,O4 Giúp với, cần gấp lắm, mai nộp rồi 🙏🙏

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X. Rewrite the following sentences. 1. It took us more than two hours to see the film “Avatar”. -> We spent ................................................................................................................................ 2. She likes to hang out with friends on Saturday evening. -> She is interested ....................................................................................................................... 3. Vinh really loves to hang out with friends. -> Vinh really enjoys .................................................................................................................. 4. Playing beach games is very interesting. -> It’s ......................................................................................................................................... 5. It’s not a good idea to spend too much time on computer games. -> It’s bette to avoid ................................................................................................................... 6. My parents insist me on learning something interesting. -> My parents wants ................................................................................................................... 7. Jenny finds reading poetry boring. -> Jenny dislikes .......................................................................................................................... 8. Living in a big city is more convenient than living in a village. -> It’s ............................................................................................................................................ 9. Although the villagers are quite poor, they live a happy and healthy way. -> In spite of ................................................................................................................................. 10. A lot of people take the train from Oxford to London every day. -> A lot of people travel .................................................................................................................. 11. Millions of tourists visit the Museum of Ethnology every year. -> The Museum of Ethnology ................................................................................................................................... 12. Jane makes crafts better than her sister. -> Jan’s sister doesn’t ................................................................................................................................................ 13. It’s not necessary to change the dates of our trip. -> We ......................................................................................................................................................................... 14. She couldn’t afford to buy the car. -> The car is too ......................................................................................................................................................... 15. If I were you, I wouldn’t sweep the house on the first day of Tet. -> You ........................................................................................................................................................................ 16. Is it necessary for us to finish the work today? -> Do we .................................................................................................................................................................... 17. You are not allowed to smoke here. -> You ........................................................................................................................................................................ 18. I’m obliged to finish the letter before midday. -> I have ....................................................................................................................................................................

Giúp em bài này với mn ơi !!!!!

√(x-2√x-1)=2 giúp vs !!!!!!!!!!!!!!!!!!!!!!!!!!

VII. Read the passage and choose the correct answer. The countryside is becoming a more and more appealing place to live in. In recent years, people’s view of the countryside has become more positive. A new survey shows that people are more likely to move to the countryside than ever before. The countryside is an ideal location for young adults, especially young married couple with children. One of the main reasons is lower cost of living. This makes the countryside perfect for young people who are looking to save money and start a family. It is also a good place for children. The countryside is less densely populated than the city, so there are a lot spaces for kids to play and be active. Furthermore, pollution and crime problems are not huge issues here. In a couple of years, experts believe that the countryside’s demographics will change dramatically. 1. What is the main idea of the passage? a. Influence from the countryside. b. Reasons to live in the countryside. c. People living in the countryside. d. Comparison between the countryside and the city. 2. Why does the writer mention a new survey? a. To prove that people’s thought on the countryside hass changed. b. To show that people prefer the countryside to the city. c. To encourage people to move to the countryside. d. To collect people’s view of the countryside. 3. Why is the countryside a good place for a young couple with children? a. Because of low cost of living b. Because of good environment for children. c. A and B are correct d. A and B are incorrect. 4. According to the writer, how is the living environment in the countryside? a. Not too crowded b. Not dangerous much c. Not polluted much d. All of the above. 5. Which of the following is FALSE about living in the countryside? a. The countryside is suitable for single young adults. b. More and more people choose to live in the countryside. c. Young couples can save money for their family. d. Children have spaces to play.