user-avatar
haphuongc3
2 năm trước
Bài 1 : Rút gọn biểu thức : (\sqrt(2)+\sqrt(3)+\sqrt(6)+\sqrt(8)+\sqrt(16))/(\sqrt(2)+\sqrt(3)+\sqrt(4)) Bài 2 : 1) \sqrt(5+2\sqrt(6)) 2) \sqrt(8-2\sqrt(15)) 3) \sqrt(4+2\sqrt(3))-\sqrt(4-2\sqrt(3)) 4) \sqrt(11+6\sqrt(2))+\sqrt(11-6\sqrt(2)) Học ngu quá nên cái bài đơn giản cg phải hỏi đây , mong các vị tiền bối chỉ giáo ạ
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

III. Choose the best answer among A, B, C or D to complete the sentences. (2 pts) 1. I think we should use public transport instead of motorbike to reduce ................. . A. exhaust fume B. gas C. smoke D .dirt 2. “Thank for your help”-“……………” A. My pleasure B. Don’t worry C. Thank you, too D. The same to you 3. I am not fond of tennis and ................ A. my sister does, too B. so is my sister C. Neither is my sister. D. my sister is, either. 4. We should………..all the electrical appliances when leaving our room A. turn off B. turning off C. turn on D. turning on 5. Your teacher never writes poems or stories, ................. she? A. doesn't B. has C. does D. will 6. She doesn’t type ................. as her friends. A. as quick B. more quickly C. most quickly D. so quickly 7. The students in grade 9 worked extremely hard, ............. they passed the exam easily. A. and B. so C. but D. therefore 8. My family ................. go to Sam Son Beach in summer when we lived in Thanh Hoa. A. use B. were used to C. usedD. used to 9. This is the village ………. we visited last month. Our Uncle Ho was born there. A. where B. which C. in which D. there 10. “Would you like to have dinner with me?” A. I’m very happy. B. Yes, I would. C. Yes, I’d love to. D. Yes, it is. giuo minh voi a!

Đặt câu hỏi theo dạng “Did…….?” và trả lười với “Yes / No: They played soccer yesterday afternoon - Did they play soccer yesterday afternoon? - Yes, they did. / No, they didn’t. 1. He sent a letter to his pen pal last week. .......................................................................................................................................... ..........................................................................................................................................2. She taught us English last year. .......................................................................................................................................... ..........................................................................................................................................3. They did their homework carefully. .......................................................................................................................................... ..........................................................................................................................................4. The Robinsons bought a lot of souvenirs. .......................................................................................................................................... ..........................................................................................................................................5. Tourist ate seafood at that famous restaurant. ..........................................................................................................................................

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