Vẽ đậu mầm cầm điện thoại Nl: có ai cuồng manhwa ở đây ko? mk đang chán quá

Giúp em với ạ!! Em cảm ơn nhiều lắm.

giúp e với e cám ơn trước ạ ❤️

Bài 2 tính bằng cách thuận tiện nhất c) 4/6 + 7/13 + 17/9 + 19/13 + 1/9 + 14/6 =

Mọi người giúp em với ạ .. . 1,Anh/chị dự đoán trong 4 bậc cấu trúc thì bậc nào quyết định cấu trúc không gian của protein.Vì sao? 2, Protein có nhiều bậc cấu trúc,bậc nào dễ bị thay đổi nhất và vì sao 3,Cấu trúc nhiều bậc của protein có ý nghĩa gì Mong giúp đỡ ạ Cảm ơn ạ

Giúp em với mn oi em bị phân vân đáp án á

Giúp mk thêm một bài nx nhé, mk cũng đang cần gấp Huhuhuhuhuhu

Exercise 4: Choose the word which is pronounced differently from the other. 1. A. treated B. needed C. sacred D. suggested 2. A. died B. continued C. contented D. followed 3. A. acted B. jogged C. retarded D. wanted 4. A. produced B. wanted C. needed D. subtracted 5. A. worked B. matched C. placed D. needed 6. A. liked B. washed C. wiped D. stayed Choose the best answer for each of the following sentences. 7. Tom: “Was John at the party when you arrived?” – Linda: “No, he ______ home.” A. went B. was going C. has gone D. had go 8. She ______ the piano when she was a child. Coi bài để thấy tui tên Lê A. played B. was playing C. has played D. had played 9. In the middle of the night, I _____ on the sofa when someone ______ at the door. A. had slept – was knocking B. was sleeping – knocked C. slept – was knocking D. was sleeping – had knocked 10. By the time my brother _____to the airport, he _____ some new books for his study at the university. A. went – have bought B. had gone – bought C. went – had bought D. was going – was buying 11. He does not save as much money as he________ last year. A. did B. does C. uses D. did used 12. Before Alice ________ shopping, she _______ her children up from school. A. does – picks B. did – picked C. did – had picked D. had done – picked 13. When I _______ the house, I _______ breakfast yet. A. leave – don’t have B. left – hadn’t had C. had left – didn’t have D. had left – hadn’t had 14. He ________ for twenty years before he retired last year. A. had been teaching B. has taught C. was teaching D. has been teaching 15. By the time the ambulance approached, the man ________. A. would die B. had died C. died D. dies

Cho $\frac{a}{b}$ = $\frac{c}{d}$ Chứng minh $\frac{a}{b}$ = $\frac{a-2c}{b-2d}$

Giúp em nha em về ơn ạ ! 1 câu đơn giản thôi