Phân tích thành nhân tử: 4x^3 + 4x + 1 - y^2

50 + 50 = 100 đúng ko vậy tại sao 2 cốc nước 50 độ đổ vào nhau lại ko sôi

Trình bày những nét độc đáo về nghệ thuật quân sự của cuộc kháng chiến chống quân xâm lược Xiêm, Thanh ở thế kỉ XVIII.

Giải rõ ràng giúp em với, em cám ơn

Cho hình chóp S. ABCD có đáy ABCD là hình thoi cạnh a SA=SB=a √2. Mp (SBD) vuông góc với (ABCD) a, tính Thể tích của S.ABCD b, kc từ A-(SBD) A-(SCD) Mọi người ơi giúp em với ạ

Giúp với ạ mình đang cần gấp lắm

ai giúp mình với giải hệ pt 100/M+2X= 376/108+x= 50/M+60

Giúp mik nha, mik cần gấp lắm :3

Cách xoá ảnh trên máy tính như nào ạ Và lập nhóm bị Trừ bao nhiêu điểm Vẽ Đậu

Read the following passage and mark the letter A, B or C on your answer sheet to indicate the correct answer to each of the questions. Smoking causes lung cancer, which is the number one cancer among men. Ninety percent of the people who get lung cancer die. Smoking is also the leading cause of mouth cancer, tongue cancer, and throat cancer. Many smokers have heart disease arid pneumonia. Smoking causes one million early deaths in the world every year. Smokers not only harm themselves but also harm others. Smokers breathe smoke out into the air. They breathe it out on their children and their wives or husbands. Children whose parents smoke have more breathing and lung problems than other children. Women who are married to smokers are more likely to have lung cancer than those married to non- smokers. We are all aware that smoking is bad. So why do people smoke? Question 38: The number one cancer among men is _________. A. tongue cancer B. throat cancer C. lung cancer D. mouth cancer Question 39: The main cause of mouth cancer, tongue cancer and throat cancer is _________. A. drinking B. overeating C. breathing D. smoking Question 40: Every year, smoking causes about one million _________. A. cancer patients B. killing diseases C. early deaths D. injured men Question 41: The word “it” in the passage refers to _________. A. cancer B. smoke C. air D. breath Question 42: Who are more likely to have lung cancer and lung problems? A. People who live in the city. B. Who live with smokes. C. People who live with non-smokers. D. People who live in the country. Choose one sentence that has the same meaning as the root one. Question 43: “Do you know Long’s address?” he asked me. A. He asked me for Long’s address. B. He asked me if someone knew Long’s address. C. He asked me if I know Long’s address. D. He asked me if I knew Long’s address. Question 44: They are building a new bridge over the river. A. A new bridge is building over the river. B. A new bridge is being built over the river. C. A new...