Bài thơ Qua Đèo Ngang: Nhận xét về cách gieo vần, phép đối giữa câu $ 3 $ với câu $ 4 $, câu $ 5 $ với câu $ 6 $. Nghiêm cấm copy từ các nguồn khác trên mạng.

Trên cùng một nửa mặt phẳng có bờ chứa tia Ox, vẽ hai tia Oz và Oy sao cho xOz = 75 độ, xOy = 150 độ a) Hỏi tia nào nằm giữa hai tia còn lại? Vì sao? b) Tính zÔy. So sánh xÔz với zÔy. c) Tia Oz có phải là tia phân giác của xÔy không? Vì sao? Vẽ hình zùm em ạ

Câu 1 : Người đoàn viên đầu tiên đã ngã xuống vì sự nghiệp cách mạng là ai? Lúc đó anh bao nhiêu tuổi?

Tìm hai số biết tổng của chúng bằng 0,25 và tỉ số của chúng bằng 0,25

Tìm x ( phân tích đa thức thành nhân tử x ( 2x - 3 ) = $4x^{2}$ - 9

Điền : s _ _ _ y có nghĩa là một căn phòng trong nhà

CẦN GẤP, ƯU TIÊN KÈM GIẢI THÍCH!!!!! I. Choose the correct answer. 51. The board of director discuss the project, then went on _______ another topic. A. to discuss B. discuss C. discussing D. discussed 52. In our society, people spend more and more time _______. Therefore, we often don't bother _______ healthy meals. A. working / to prepare B. to work / to prepare C. work/ preparing D. to work / preparing 53. The high amount of carbohydrates in fast foods and sugary drinks is blamed _______ the body's regulation of appetite. Consequently, we keep _______ to eat more. A. to destabilize / to want B. to destabilize/ wanting C. for destabilizing / wanting D. for destabilizing / to want 54. But for her help I wouldn't have finished _______ the homework. She helped me _______ it. A. translating/ be finished B. translate / to finish C. translating / finishing D. translating / to finish 55. There is no point in _______ on the subject, because no one can make me _______that he is an honest man. A. insisting / to believe B. to insist / to believe C. insist/ believe D. insisting / believe 56. She_______ him when he called her. A. pretended not hear B. pretended she heard not C. pretended not to hear D. did not pretend hear 57. The Museum of Modern Art is an interactive children's museum that takes a whole day_______. A. to explore B. to be exploring C. to have explored D. to be explored 58. As it turned out, those who insisted on_______ them extra time were right. A. to give them B. to be given C. giving D. give 59. The young teachers wanted a Foreign Language Teaching workshop _______ in Ho Chi Minh City. A. to be holding B. should hold C. to be held D. to hold 60. It was Mrs Kent who suggested Mary _______ abroad. A. study B. studying C. to study D. studied 61. Following the 1990 census, the districts were needed _______ due to the population shift of the country. A. redrew B. redrawn C. to be redrawn D. to have redrawn 62. There is no point in _______ such a long time. I can't see anybody coming _______ us. A. to wait / meet B. waiting / meeting C. waiting / to meet D. wait / meeting 63. The superintendent promised to tear down and_______ the damaged buildings. A. rebuild B. to rebuild C. rebuilding D. to rebuilding 64. I’m delighted _______ the chance _______ you at last. A. to have had / to meet B. having / meeting C. to be having / being met D. having had / to be meeting 65. Do you want _______ by the doctor? A. to examine B. to be examined C. being examined D. being to examine 66. Obese people risk _______ from heart diseases. Nevertheless, we can avoid _______ such diseases by choosing to eat healthy food. A. suffering / getting B. suffering / to get C. in suffering / to get D. in suffering / getting 67. It should be a priority for world leaders _______ durable solutions for world peace rather than _______ their time and effort on transitory ones. A. to find / wasting B. finding / to waste C. having found / wasted D. being found / wasting 68. I am looking forward _______ my brother. He has been abroad for three years. A. to see B. seeing C. to seeing D. to be seeing 69. It was really funny to see how they avoided _______ in the official media after his decision to emigrate. A. to mention his name B. mentioning his name C. his name to be mentioned D. his name being mentioned 70. Are you ready _______ lyet? The train leaves in 30 minutes! A. going B. to go C. to have gone D. having gone 71. We are very anxious because we are hoping _______ our application at the adoption agency _______by the end of the week. A. having / to be approved B. having / to be approved C. to have / approved D. to be having / approve

có 4 tia chung gốc tại sao ta không giữ nguyên 4 tia đó mà lại đổi thành 4 góc làm gì ạ giải thích giúp mình với xong mình vote 5 sao cảm ơn nhiều ạ giúp mình với

Cho V lít SO2 (đktc) tác dụng với 200ml Ca(OH)2 1M. Sau phản ứng khối lượng dd tăng lên 16,4. TÍnh V Cho V lít SO2 (đktc) tác dụng với 310ml Ca(OH)2 1M. Sau phản ứng khối lượng dd tăng lên 15,52. TÍnh V (câu này cho kq thôi ạ)

cho các phân số: `1/2`; `4/5` ; `10/11` ; `5/4` lấy phân số bé nhất cộng với phân số lớn nhất thì đc bao nhiêu (giải đầy đủ zào nha mọi người)