Một lớp có 45 học sinh. Trong số bài kiểm tra, số bài đạt điểm giỏi bằng 1/3 tổng số bài. Số bài đạt điểm khá bằng 9/10 số bài còn lại. Tính số bạn đạt điểm trung bình (không có bài yếu và kém)

helppppppppppppppppppppppppppppp

Giải gấp ạ , 3 ngày nữa nộp r:))

Chỉ mình xem cái này có lớn hơn hẳn 0 , không nhé $\left(x-1\right)^2-1$

Một mảnh đất có hiệu chiều dài và chiều rộng là 3dam. Biết chu vi mảnh đất gấp 8 lần chiều rộng. Tính diện tích của mảnh đất đó?

vẽ anime/chibi mn có ý tưởng linh vật chưa =))))) tranh dưới sẽ là tranh dự thi ehe =))))

Giúp mik bài này với ạ Yêu cầu độ chính xác cao ạ Làm đúng nhiều mụ sẽ tặng nhiều sao vào bình chọn câu trả lời hay nhất Ảnh trên chưa chụp hết ạ Mik cop đề ở dưới nên mn giải hết 20 câu ạ 7.​When we came home, we had a very delicious meal ​by my mother. A.​preparing​B. to prepare​C. prepared​D. prepare 8.​I like collecting handicrafts, so I have a big ​of them at home. A.​collection​B. collective​C. collect​D. collector 9.​I know that you really like to find out about new places. I think Ha Long Bay is ​a place to travel to. A. wonderful​B. woderfully​C. wonder​D. wordering 10.​Are you looking forward​from him soon? A.​to hear​B. to hearing​C. hear​D. hearing 11.​I and my friends were late for the film​we didn’t take a taxi. A.​and​B. but​C. or​D. so 12.​Yesterday, I visited an art gallery ​a museum. A.​therefore​B. but​C. so​D. and 13.​Last week was my grandmother’s birthday, ​I wanted to buy a gift for her. A.​so​B. however​ C. but​. D. because 14.​He can’t go fast ​he fell off the bicycle​hurt his foot. A.​and / because​B. because / and C. so / and​D. so / because 15.​We went to the shopping ​this morning but the shops were not open. A.​house​B. floor​C. mall​D. home 16.​she tried really hard, she didn’t pass the exams. A. Although​B. Despite​C. Since​D. Because 17.​My father has​smoking for five years because of his bad health. A.​given up​B. taken up​C. look up​D. waken up 18.​ ​we had finished our homework, we were allowed to hang out with our friends. A.​Before​B. By the time​C. After​D. Since 19.​They have decided ​a visit to the conical hat making village in Hue. A. taking​B. takes​C. to take​D. take 20.​When he saw the fierce dog, he was very scared and ​ A.​ran up​B. ran away​C. ran over​D. ran off

Rewrite the following sentences using double comparative. 1. We got close to the fire. we felt warm 2. If the knife is sharp, it is easy to cut something with. 3.Bill talked very fast. I became confused. 4. Last year, when I met Mary, she was ugly. Now she has become very beautiful. 5. When you blow up a balloon, at first it small, the it becomes quite big. Choose the most appropriate preposition to fill in each blank. up; after; on; off; in; 1. I’d like to listen to some music. Would you please turn the radio…..? 2.Please try to give…. smoking. It is not good for your health. 3. Don’t put…. your homework anymore. the deadline is coming. 4. When I was young, my uncle looked…. me because my parents were abroad. 5. Before you enter the class, you need to fill… this form so that we can have your personal information. Rewrite the following sentences using the suggested word in the bracket 1. Is it true that you haven’t found a job yet? ( looking) 2. I can just about live on this a mount of money. ( get) 3. You mustn’t allow your troubles to depress you, you know. ( get) 4. I can’t stand his behavior to me any more. (put) 5. This is one of the biggest problems historians have ever faced.( come) 6. All the pupils respect their teacher. (look) 7. I’m thinking about my next holiday with pleasure. (look) 8. She is always quarreling with her brother. ( get) 9. You don’t need to wear your rain coat. it is so hot here. ( take)

giúp e gâps vs aj e sẽ vote cho ạ

Giúp mik vs ak mong mn ko chép ạng ak