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3. Một mảnh đất hình chữ nhật có chu vi là 98m. Nếu chiều dài giảm 5m, chiều rộng tăng 5m thì được hình chữ nhật mới có chiều dài hơn chiều rộng 7m. Tính diện tích của mảnh đất hình chữ nhật ban đầu. Giải 3 bài này hộ e ạ
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Exercise 1: Read and complete the sentences with suitable words/ phrases in the text. LONDON TAXI Robert is a taxi driver in London. He works six days a week. He can starts and finishes his work at any time he wants, as long as he works enough hours during the day. As London is a very busy city, sometimes he works overtime on a Saturday, which is good as it means extra money. Driving a taxi is difficult and dangerous. Traffic in the city is often slow because of accidents and construction sites which drivers have to go around. When it rains or snows, the roads are very difficult to drive on. Robert sometimes never gets paid especially when he has to deal with drunk passengers. Most of Robert’s passengers are friendly and tip him generously. Robert likes his job, but lately he has been suffering with backache. He is wondering if he is old. 1. Robert is working as a ......................... 2. Robert starts and ends his work at ......................... he wants. 3. When working overtime, Robert gets ......................... 4. Taxi-driving in London is difficult and ......................... 5. Traffic in London is low because the taxi drivers have to ......................... the accidents and construction sites. 6. When Robert deals with ........................., he does not get paid. 7. Robert is tipped generously by his ......................... 8. Recently, Robert has been suffering with .........................

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