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nhamky789
2 năm trước
1 người đổi mảnh đất hình thang có đáy lớn 20m, đáy nhỏ 16m lấy mọt mảnh đất hình vuông có chu vi 48m cùng diện tích. Tính chiều cao mảnh đất hình thang đó?
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Các câu hỏi liên quan

1. When I/ a child, I/ used/ go/ the local park every Saturday afternoon. ……………………………………………………………………………………………… 2. It/ not/ necessary/ bring skis as they/ included/ the package. …………………………………………………………………………………………… 3. The students/ believed/ be educated/ England. ……………………………………………………………………………………………… 4. I wish that I / have time/ read lots/ books. ……………………………………………………………………………………………… 5. By the time James/ get up this morning, there / be/ no sandwiches left. ……………………………………………………………………………………………… 6. My Dad/ suggest/ I/ learn/ Spanish. ……………………………………………………………………………………………… 7. We/ relieved/the rain/ finally/ stop. ……………………………………………………………………………………………… 8. He/ suggest/ travel/ together/ safety, since the area/ so dangerous. ……………………………………………………………………………………………… 9. The farmers/ my home village/ not/ use/ transport rice home/ trucks. They/ use/ buffalo- driven carts. ……………………………………………………………………………………………… 10. He/ wish/ he/ will have one more billion dollars. ………………………………………………………………………………

VIII. Complete the second sentence so that it means the same as the first one. 1.Shall we go to the Japanese Covered Bridge first? Let’s …………………………….…………………………………………..…….…………! 2.No one in the office is cleverer than Mr. Edward. Mr. Edward ………………………………………………………………………..…..……. 3.Travelling abroad for a holiday is much more expensive than travelling in your country. Travelling in your country………………………………………………….………………… 4.She goes to work at eight forty-five. She goes to work at fifteen ………………………..……………….……………..……….. 5.Would you mind telling me the way to the National Museum? Can………………………….………………………………………………………, please? 6.Vietnamese students have fewer vacations than American ones. American students ……………………………….………………..…………..……………… 7.It’s against the rules to use your mobile phone in class. You……………………………………………………………..…………………..…………. 8.We have a two - month summer vacation. Our summer vacation lasts……………………………….………………………………...… 9.It’s a good idea to listen to the weather forecast before going camping. You ……………………………………………..……………………………………………. 10. Nam isn’t so good at English as Minh. Minh ……………………………..than Nam. IX.Read the passage then do the tasks below. Hi! I am Nam. I’m twelve years old. I’m a student in grade 6, class 6A2. I live with my parents and my sister. We live in a small house in the country. This is my school. It is small and old but it is beautiful. In front of the school, there is a big yard. It is clean and there are many tall trees and beautiful flowers. In the afternoon, I often play soccer with my friends there. My school has fifteen classrooms and six hundred students. There are forty-three teachers in my school. They are good teachers. I love them and I love my school very much. a. Answer the questions. 1.Where does Nam live?  ………………………………………………………………………………………………. 2. Are there many tall trees and beautiful flowers in the school yard? …………………………………………………………….…………………………………. 3. How many teachers does his school have? ……………………………………………………………..…………………………………. b. Complete the sentences, using the information from the passage above. 4. ………………….…………………………….…………is small and old but it is beautiful. 5. In the afternoon, Nam often plays soccer with his friends in the ……..…………

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