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Ngọc có tất cả 48 viên bi vừa xanh vừa đỏ. Biết rằng nếu lấy ra 10 viên bi đỏ và 2 viên bi xanh thì số bi đỏ bằng số bi xanh. Hỏi có bao nhiêu viên bi mỗi loại ?
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III. Read the passage and do the following tasks below The two children have been in London. They were surprised at the crowd everywhere. They decided to travel on the tube railway. They found that they had to be quick and get on the train or it would go off without them. Oneday they went to Hyde Park and walked along on the grass to Kensington Gardens in bright autumn sunshine. This was diffirent from the crowded streets, and Mary said that it was like being back home. The leaves of the great trees were turning red, brown and yellow, birds were flying about, there were lots of flowers and ducks swimming about on the Round Pond. Only the noise from the street in the distance reminded them of the Town A.Write (T) for True or (F) for false statement 1. The children only went to Hyde Park . 2. The crowds everywhere made them surprised. B. Answer the following questions 1. According to the passage, what did they dicide to do? =>___________________________________________________________________ 2. In which season did they go there ? =>___________________________________________________________________ 3. Did the two children come to London from the countryside ? =>______________________________________________

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