user-avatar
343895456215656
2 năm trước
Tìm số nguyên tố p biết : a) p+9 cũng là số nguyên tố b)p+5; p+11 cũng là số nguyên tố c) p+ 26 ; 4p +1 cũng là số nguyên tố Giúp mình mọi người nha
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

3. We are looking for people with ________experience. A. the B. a C. an D. x 4. Would you pass me ________ salt, please? A. a B. the C. an D. x 5. Can you show me ________way to ________station? A. the/the B. a/a C. the/a D. a/the 6. She has read ________interesting book. A. a B. an C. the D. x 7. My mother thinks that this is ________ expensive shop. A. the B. an C. a D. x 8. Mr. Smith is ________ old customer and ________ honest man. A. An/the B. the/an C. an/an D. the/the 9. ________ youngest boy has just started going to ________ school. A. a/x B. x/the C. an/x D. the/x 10. Do you go to ________ prison to visit him? A. the B. a C. x D. an 11. ________eldest boy is at ________ college. A. a/the B. the/x C. x/ a D. an/x 12. Are you going away next week? No, ________ week after next. A. an B. a C. the D. x 13. Would you like to hear ________ story about ________ English scientist? A. an/the B. the/the C. a/the D. a/ an 14. There’ll always be a conflict between ________ old and ________ young. A. the/the B. an/a C. an/the D. the/a 15. She works seven days ________ week. A. a B. the C. an D. x Exercise 2: Put in a, an or some or leave a space: 1. Have you got _____ camera? 2. Would you like to be _____ actor. 3. Bill's got _____ big feet. 4. Do you collect _____ stamps? 5. Tom always gives Ann _____ flowers on her birthday. 6. Those are _____ really nice trousers. Where did you get them? 7. What _____ beautiful garden! 8. What _____ lovely children! 9. _____ birds, for example the penguin, cannot fly. 10. Jack has got _____ very long legs, so he's _____ fast runner. 11. You need _____ visa to visit _____ foreign countries, but not all of them . 12. I'm going shopping. I'm going to get _____ new clothes. 13. Jane is _____ teacher. Her parents were _____ teachers too. 14. When we reached the city centre, _____ shops were still open but most of them were already closed. 15. Do you enjoy going to _____ concerts? 16. When I was _____ child, I used to be very shy.

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