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theson
2 năm trước
gọi G là trọng tâm của tam giác ABC ,M,N,P lần lượt là td của các cạnh BC,AC,AB,trên tia AG lấy điểm D sao cho G là trung điểm của AD chứng minh M là trung điểm của GD
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Dịch nghĩa đoạn văn sau: 1 - Britain has always been a mixed society. In the distant past, Celts, Romans, Saxons, Vikings and Normans all settled in Britain. During the past 150 years, people from Ireland, the former British colonies and the European Union have also come to Britain. 2 - In the 1840s, there was a terrible famine in Ireland. A million people more left Ireland, and never returned. Most went to the USA, but many came to Britain. 3 - In the 1950s and 1960s, the British government invited people from British's former colonies to live and work in Britain. The majority was from the West Indies, Pakistan, India and Hong Kong. 4 - People from countries in the European Union are free to travel, live, and work in any other EU country. Recently, a lot of people have arrived from Central and Eastern Europe. 5 - There are thousands of India and Chinese restaurants in the UK. Immigrants from the West Indies started the Notting Hill Carnival in 1965. It is now the biggest street festival in Europe. There are a lot of Irish pubs in Britain and Irish folk music in popular.

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