Cho góc bẹt AOB . Trên cùng một nửa mặt phẳng bờ AB vẽ các tia OC,OD sao cho góc AOC bằng góc BOD và bằng 135 độ . Gọi OE là tia đối của tia OD . Chứng tỏ rằng A) RF vuông góc với RH b)OB là tia phân giác của góc COE

Chỉ cần làm thôi ạ ko cần giải thích đâu ạ 1. The flight from Bangkok to London lasted for more than twelve hours. => It took ......................................................................................................................... 2. No decision on the issue has been made yet. => Nothing ...................................................................................................................... 3. It was such a boring film that she felt asleep. => The film ...................................................................................................................... 4. One of my favourite pastimes is watching plays. => Going ......................................................................................................................... 5. You can borrow the car but you’ve got to fill it up with petrol. => Provided ...................................................................................................................... 6. It's quite pointless to complain about the situation. => There is no................................................................................................................... 7. She spends too much money on clothing. => If ................................................................................................................................. 8. You are the worst footballer in the world. => No one......................................................................................................................... 9. Susan finds it easy to make friends at her new school. => Susan has no ............................................................................................................... 10. There are a lot of vehicles on the road today. => There is .......................................................................................................................

Tính số trang sách biết rằng cần 312 chữ số Tính số trang sách biết rằng cần 2901 chữ số

các bạn giải giúp mình nha mình đang cần gấp mình cảm ơn

Giải phương trình sau: $sin3x+cos2x-sinx=0$

Calli: Call me by your name ..Sang chấn tâm lí với cái kết luôn á tr ༎ຶ‿༎ຶ

trong 1 ngày cửa hàng bán được 56 kg đường trong đó Buổi sáng bán được 27 kg đường Hỏi buổi chiều bán được bao nhiêu kg đường

Em cần gấp đáp án cả p trắc nghiệm ạ . Nhanh 5 sao yêu thích ạ

Find the mistake in each sentence and correct it. 1. I often gets up early to catch the bus to go to work. 2. She teach students in a local secondary school. 3. They doesn’t own a house. They still have to rent one to live. 4. Bui Tien Dung am a famous goalkeeper in the National Football Team. 5. What do your sister do? 6. John and Harry doesn’t go swimming in the lake. 7. Liam speak Chinese very well. 8. How often does she goes shopping in the supermarket? 9. Our dogs aren’t eat bones. 10. Claire’s parents is very friendly and helpful.

5, This well - know library attracts many people .................................................................................. 6, All students attended the meeting .................................................................................. 7, People say that he is intelligent .................................................................................. 8, Mary has operated Tom since 10 o'clock .................................................................................. 9, He can't repair my bike .................................................................................. 10, Mr.Smith has taught us French for 2 years ..................................................................................