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23yhuyen03
2 năm trước
cho tam giác abc vuông tại a có ab=8cm, bc=15cm, đường ccao ah, phân giác ad a) tính bc,ah b) tính bd,dc c) gọi m,n là hình chiếu h trên ab , ac tứ giác amnh là hình gì?/ Tính độ dài mn d) cm am.ab=an.ac
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The Rice-cooking Festival by Festival Councilor Pham Phuong Linh This report shows how the (1) rice-cooking festival was held. The festival was held in the communal house yard about (2) one kilometer away from a river. There were three competitions: (3) water-fetching, fire- making and rice-cooking. The festival took one day. In the water-fetching contest one person from each team had to (4) run to the river to get the (5) water. In the fire-making contest two team members had to make a fire in the (6) traditional way. They tried to rub pieces of (7) bamboo together to make the fire. (8) Six people from each team took part in the rice-cooking contest. They had to (9) separate the rice from the husk and then cook the rice. After the three contests, all points were (10) added and the Thon Trieu group won the grand prize. The festival was wonderful. a) What is the name of the festival? (Tên lễ hội là gì?) b) Where was the festival held? (Lễ hội được tổ chức ở đâu?) c) How long did the festival last? (Lễ hội kéo dài trong bao lâu?) d) How many activities were there? Were there any competitions? (Có bao nhiêu hoạt động? Có cuộc tranh đấu nào không?) e) How were the activities organized? (Các hoạt động được tổ chức như thế nào?) f) How many people took part in each activity? (Có bao nhiêu người tham gia ở mỗi phần thi?) g) What did you think about the festival? (Bạn nghĩ gì về lễ hội đó.) h)where was the rice-cooking contest held i) how many people took part in fire-making contest?? giúp mình với ạ. đầu đủ từng câu nha

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