cho tam giác ABC có M là trung điểm của BC . trên tia đối của tia MA ,lấy điểm N sao cho MN=MA chứng minh a) AC=BN b)AB//NC (trường hợp bằng nhau thứ hai của tam giác (c.g.c)

bạn chỉ cho mình tìm tích của những số lớn sao cho phù hợp với dạng bài tách hạng tử được ko

11. My mom enjoys ………… crochet A. to do B. does C. doing D. to doing 12. Are you busy on ……………. ? A. Sunday B. morning C. afternoon D. June 13. I help my parents ………. my little brother after school because they’re at work A. looks after B. collects C. take care of D. clean 14. There was an exhibition …………. paintings at the Art Gallery A. on B. in C. for D. of 15. Do you want to ………… mountain biking on Saturday morning ? A. play B. open C. go D. have

nếu trả lời dc cho 1 cảm ơn và 5 sao nha Hãy chứng minh tính đúng đắn của câu tục ngữ :Có chí thì nên

Mọi người giúp em với ạ. Cần gấp ạ

Tuổi trung bình của 6 cầu thủ trong đội tuyển bóng truyền Việt Nam là 24 tuổi. Nếu không tính đội trưởng thì tuổi trung bình của 5 cầu thủ còn lại là 23. Tính tuổi của đội trưởng.

Tìm x $\in$ N biết : (-2) + 4 + (-6) + 8 +..... + x = 2014

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XI. Choose the item among A, B, C or D that best answers the question about the passage. Living in the country is something that people from the city often dream about. However, in reality, it has both advantagesand disadvantages. There are certainly many advantages to living in the country. First, you can enjoy peace and quietness. Moreover, people tend to be friendlier. A further advantage is that there is less traffic, so it is safer for young children. However, there are certain disadvantages or drawbacks to life outside the city. First, because there are fewer people, you are likely to have few friends. In addition, entertainment is difficult to find, particularly in the evening. Furthermore, the fact that there are fewer shops and services means that it is hard to find jobs. In short, it can be seen the country is more suitable for some people than others. On the whole, it is often the best for those who are retired or who have young children. In contrast, young people who have a career are better provided in the city. 1.According to the passage, living in the country has . A. only good points B. only bad points C. both good and bad points D. no disadvantages 2.How many advantages does living in the county have? A. two B. three C. four D. no 3.Living in the country is safer for young children because A. there is less traffic B. there are few shops C. there are fewer people D. there are few services 4.Which of the following statements is NOT true according to the passage? A. People in the country tend to be friendlier than people in the city. B. It’s hard to find entertainment in the country. C. There are fewer shops and services in the country. D.The country is only suitable for retired people. 5.Having few friends is . A. one of drawbacks to life in the country B. the only disadvantage to living in the countryside C. one of certain drawbacks to life outside the city D.one of certain advantages to life outside the city

giải giúp mk bài trong hình với