user-avatar
hoangduyenyds
2 năm trước
Ở miền ngoài góc tù xOy, vẽ các tia Oz, Ot sao cho Oz vuông góc với Ox , Ot vuông góc với Oy. Gọi Om, On là tia phân giác của các góc xOy, zOt. Chứng minh rằng Om, On là hai tia đối nhau
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

Chuyển những câu sau sang gián tiếp. ゛1. “Shall I help you with the exercises?” he said 2. “Shall we give him a birthday cake?” he said he shall we give him a birthday cake 3. “Could I leave early on Friday?” he said 4. “Where shall we meet tonight?” she said. 5. “Will you have a drink?” he said. 6. “How far is it from here to college?” he said. 7. “Do you often have breakfast at 6.30 a.m?” he said 8. “Don’t swim too far, boys,” she said she don’t swim too far,boy 9. “Come in and have a drink,” he said. 10. “Remember to wake me up” she said. 11. “If I were you, I would learn English” , she said. 12. “Why don’t we go camping this Sunday? ” he said 13. “Would you like to come to my birthday party next Sunday?” she said. 14. “Let’s have a talk on the new film” , he said. 15. “ Shall I do the cleaning up for you?” he said. 16. “What a clever boy!” she said. 17. “How ugly!” he said. 18. “Did you prepare your meal?” he said. “No” I said. 19. “Happy birthday”, he said.

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