Giúp em vơi làm ơn giúp. E với 😭

Cho hình vuông ABCD, tâm O.Điền vào dấu ? Q(O;pi/2)(A)=? Q(O;-pi/2)(D)=? Q(O;pi/2)(C)=? Q(O;-pi)(B)=? Q(A;-pi/2)(B)=? Q(B;pi/2)(A)=?

NST phân li về hai cực của tế bào diễn ra tại kì nào của nguyên phân? Kì đầu Kì sau Kì cuối Kì giữa

1. “ Did Mr Brown send the potatoes to you?” she asked. - She asked....................................................................... 2. “Don’t get your shoes dirty, boys,” she said. - She told.......................................................................... 3. “What do you want for lunch today, Peter?” Mary asked. - Mary asked....................................................................... 4. “Can I borrow your typewriter, Janet?” asked Peter. - Peter asked if ....................................................................... 5. “Why didn’t I get a computer before?” thought the office manager. - The office manager wondered............................................................ 6. “You had better not lend him any more money, Elizabeth,’’ said John. - John advised Elizabeth........................................................................ 7. “You stole my best cassette, Amanda!” said John. - John accused....................................................................................... 8. “ You damaged my bicycle, John!” said Mary. - Mary accused...................................................................................... 9. “When was your little boy born?” said the nurse to Mrs. Bingley. - The nurse asked Mrs. Bingley............................................................... 10. “You should take more exercise, Mr. Robert,” the doctor said. - The doctor advised................................................................................ 11. “Will I find a job?”, Tim said to himself. - Tim wondered....................................................................................... 12. “I’m sorry I gave you the wrong number,” said Paul to Susan. - Paul apologized..................................................................................... 13. “When is the first day of your holiday, Peter?” Martha asked. - Martha asked Peter when..................................................................... 14. “Can I have a new bicycle?” said Anna to her mother. - Anna asked............................................................................................

I.Write questions for the underlined parts. 1. A:.......................... B:My hobby is photography 2. A:................................ B: I started my hobby five years ago. 3. A:................................. B: I enjoy my hobby because I think it's creative 4. A:........................................... B: I spend two hours a day on my hobby. 5. A:.......................................... B: Jim usually plays volleyball in his free time 6.A:.......................................... B: He plays volleyball three times a week. 7.A:.......................................... B: He often plays volleyball at the court near his school. 8.A:.......................................... B: He likes to play volleyball with his friends.

a) 3x(5x2 - 2x - 1);      b) (x2 - 2xy + 3)(-xy);        d) (5x - 2y)(x2 - xy + 1);              e) (x - 1)(x + 1)(x + 2);

Giúp em ạ em hơi gấp cảm one mng lắm

Nguyên tử B có tổng số các hạt là 28 trong đó số hạt không mang điện chiếm 35,7% . Hãy xác định số p, số n và số e trong nguyên tử X

Vẽ anime nữ mặc đồng phục thủy thủ:v NL: Hóa 9 không chịu vào đầu tôi;-;;

Calli: nản NL: mod kiểu gì zay tr=)) sao xóa câu của tôi? Chép cô y nguyên mà:(? cô dạy rồi mà:(? cô dạy thiếu ư? mod làm sao zay? trọng tâm cả mà? mod học thiếu kiến thức ư=))? ụa ghét zay:) bức xúc zay?