user-avatar
anhvan2001
2 năm trước
Cho n là số tự nhiên:Chứng minh rằng: a. (n+10).(n+15) chia hết cho 2.
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

II/ Read the following passage then choose the best answer to fill in the blank: In the United States of America, the national language is (1)....... English. Four hundred years ago, some English people came to North America to live and they brought (2)....... language to this country. Now in the USA, people speak (3)...........English. Most of the words are the (4)............ in American and British English, but the American say some English words not as people (5)........... in England. Canada is (6).......... to the North of the United States of America. It is the larger (7)......... the United States. In Canada, many people (8)............ English because they also came from England many years (9)......... But in some parts of Canada, people speak (10)............ because they came from France. 1. A. also. B. like. C. as. D. not. 2. A. French. B. English. C. Chinese. D. Canadian. 3. A. British. B. American. C. Russian. D. Chinese. 4. A. various. B. similar. C. same. D. like. 5. A. do. B. say. C. talk. D. speak. 6. A. lies. B. situated. C. at. D. in. 7. A. than. B. as. C. more. D. less. 8. A. say. B. tell. C. talk. D. speak. 9. A. ago. B. later. C. there. D. here. 10. A. France. B. French. C. Russian. D. Italian.

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team