Trên cùng một mặt phẳng bờ chứa tia Ox, vẽ tia Oy và Oz sao cho góc xOy= 60, góc xOz= 120 a) Tính góc yOz b) tia Oy có phải tia phân giác của góc xOz không c) Gọi Ot là tia đối của tia Oy. Tính góc kề bù với góc yOz?

Cuối ai lm ko ko thì mik hóa ắk wuỷ 👿 Ấy

Help! Mấy hôm nữa mik thi rồi! Combine two sentences into a new one using the given words in brackets. Do not change the given words in any ways. 37. Bat Trang is a famous traditional craft village of Ha Noi. No other craft village in Ha Noi is so famous. (most) 38. Lan was tired. She finished knitting the scarf for her dad. (Although) 39. The museum is no longer a place of interest. They had to close it down. (because) 40. My mother went to Tay Ho village in Hue. She could buy some Bait ho conical hats. (in order to)

Use the verbs in brackets to complete the sentences. Use the correct tense. 1. When I ......... (look) out of the window, I ...........(see) John. 2. ............ you ever ..................(play) the piano since you left school? 3. I ........... (not see) him for two days. 4. When he ...........(try) to open the door, he ........... (drop) his key. 5. They................. (live) in this house since 1987. 6. My father .............. (wash) his car while my mother and I ...................(prepare) dinner. 7. ................you .............. (meet) her yesterday? 8. Mary ............... (be) in London for three days. 9. The headmaster ............ (enter) the classroom when they .............(write) their exams. 10. He............. (buy) a new car last week. 11. I think that they.............. (arrive) tomorrow morning. 12. Last Wednesday they .......... (play) chess after they ............ (do) their homework. 1. When I ............ (look) out of the window, I ................ (see) John. 2................ you ever ............. (play) the piano since you left school? 3. I............(not see) him for two days. 4. When he ...........(try) to open the door, he .............. (drop) his key. 5. They ............ (live) in this house since 1987. 6. My father ............ (wash) his car while my mother and I ................(prepare) dinner. 7.................... you ...............(meet) her yesterday? 8. Mary .......... (be) in London for three days. 9. The headmaster ..........(enter) the classroom when they...........(write) their exams. 10. He...............(buy) a new car last week. 11. I think that they ............ (arrive) tomorrow morning. 12. Last Wednesday they ............ (play) chess after they .............(do) their homework.

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Giải hộ mình cái Ps/ giải đê ko thì lmao

tìm và chép những câu văn có chứa phép ẩn dụ trong bài Cô Tô và Cây tre Việt Nam . Giup mình với mình cần gấp nhé !

4x/(x+1)(x-1) * 5*(x-1)/2x - x^2-1/(x+1)^2 rút gọn (chỗ nào cách ra là để không bị nhầm là nó bị dính vào

tìm x,y biết |3x - 3/4| = 5 : 2/3

Cho a,b,c>0 và a+b+c=3, chứng minh 1/a^2+1/b^2+1/c^2>=a^2+b^2+c^2