Tìm tập hợp p các số nguyên n để phân số 3n-8/n+1 có giá trị nguyên

làm giúp mik 2 câu này nha Mik cần lắm

xác định và tìm tâm , bán kính của đường tròn ngoại tiếp tam giác ABC đều cạnh a ( giải chi tiết giúp mik , HỨA SẼ VOTE ĐẦY ĐỦ :> )

Một thùng đựng xăng có 45l xăng . Lần một người ta lấy đi 20% số xăng đó. Lần thứ hai người tiếp tục lấy đi 2/3 số xăng còn lại . Hỏi cuối cùng thùng xăng còn bao nhiêu lít xăng ? em cảm ơn

16 John ____________________ (live) in Denver since 2017. 17. You ever ______________ (climb) Mount Everest? - No, I haven't. But I’m sure I will, if I have a chance. 18. It is nice to see you again. We ____________________ (not see) each other for a long time. 19. I ____________________ (forget) my key. I can’t unlock the door now. 20. Eric is calling his girlfriend again. That is the third time he _____________ (call) her this evening. 21. Last year, my father ________________ (promise) to buy my sister a piano. She ________________ (be) very delighted to hear this. 22. It _______________________ (be) very hot last summer. 23. I _______________________ (walk) home after the party last night. 24. The Chinese _______________________ (invent) printing. 25. Sam and I _____________________ (play) tennis yesterday. He was much better than I was, so he 26. I saw you in the park yesterday. You _______________ (sit) on the grass and _____________ (read) a book. 27. When I came home, my mother _______________________ (prepare) the meal. 28. Jane _______________________ (wait) for me when I arrived. 29. Yesterday evening, while my mother _______________________ (cook) in the kitchen, my father _______________________ (watch) the news on TV. 30. Just as I _______________________ (leave) the house, I heard an explosion from the inside the lab

Em có làm mà sao nó ra `<11/3` Giải thích em sai ở đâu vs ạ :>

đốt cháy 6,4g lưu huynh trong một bình chứa 2,24 lít khí O2 ( đktc). Thể tích khí SO2 thu được là A. 4,48l B. 2,24l C. 1,12l D. 3,36l

mn ơi giúp e với ! I (not like) eating fish what time she (get) up inn the morning I'm hungry. I( not eat) anything since this morning We (know) each other for 20 years she ( not finish) her homework I (buy) a book yesterday next week, I (visit) Hanoi next year,they (move) to paris I think you (pass) your exam If i am rick, I (buy) a car

M.n làm theo cách : Tổng tỉ của Tiểu học nhé Đừng làm theo cách tìm x

giúp mik với ạ. 1.she said to him: 'Give me another glass of wine' 2.She said to me: ' Bring me a book'. 3. The mother said to him: 'Open the window, please' 4. My mother said to me: 'Don't forgetcto do your homework.' 5. 'Why don't we come to visit our teacher today?' he said 6. She said to her mother: 'I have got good marks at school.' 7. Lan said to ba: 'I didn't do my homework last night.' 8. Nam said: 'I can play the guitar very well.' 9. She said to her son: 'If you work hard, you will pass all the exams.' 10. Binh said: 'I would have passed the exam if I had tried my best.'