Mức độ nguy hiểm của axit đặc nhanh lên

Calli: Tôi yêu toán học Làm logo nhá

cho TG ABC vuông cân tại A gọi D là 1 điểm nằm giữa A và B trên tia đối của AC lấy điểm E sao cho AE=AD tia ED cắt BC tại H CMR a.EH vuông BC b. CD vuông BE

Gọi A là tập hợp có số tự nhien có 2 chữ số trong đó chữ số hàng đơn vị lớn hàng chục là 3. Hãy mô tả tập hợp A bằng cách liệt kê các phân tử của nó

Tìm n€N biết: 2n+3 chia hết cho 3n+1 27-5n chia hết cho n+3 n+2€Ư(2x+5)

Exercise 1: Chuyen sang BD 1. People say that his family has a lot of money in his house. ➔ It is said that _________________________________. ➔ His family is said ______________________________. 2. People say that the train leaves at 12 a.m. ➔ It is said that _____________________. ➔ The train is said ___________________. 3. People say that Wind passed the exam last week. ➔ It is said that __________________________. ➔ Wind is said __________________________. 4. People say that we have eaten Korea’s food for 2 months. ➔ It is said that _________________________________. ➔ We are said __________________________________. 5. People say that Jun is a handsome boy. ➔ It is said that __________________. ➔ Jun is said ____________________. Exercise 2: 1. People think that the new prime minister is a good speaker. ➔ It is ___________________________________ ➔ The new prime minister __________________ 2) They report that the suspended gunman is in custody. ➔ The suspended _________________________ ➔ It is __________________________________ 3) People don't expect that the new party will win the election. ➔ It isn't ________________________________ ➔ The new ______________________________ 4) The police say that the principal is at large. ➔ It is _________________________________ ➔ The principal _________________________ 5) The detective knows that the robber has left the city. ➔ It is _________________________________ ➔ The robber ___________________________ 6) People believe that giving encouragement is important at work, too. ➔ It is ___________________________________ ➔ Giving encouragement ____________________ 7) They told us that Charles drank too much at the party. ➔ It was _________________________________ ➔ Charles ________________________________ Exercise 3: 1. It is said that the thief stole several wallets. The thief ________________________________________ 2. The Sun was believed to move round the Earth. It was __________________________________________ 3. The witness was thought to have injured. It was __________________________________________ 4. They believe that the lunch will be delicious. The lunch is _____________________________________ 5. The newspapers reported that he won the jackpot. He was ________________________________________ Exercise 4. Viết lại câu: 1. People say that Linda’s family has a lot of money. => It is said that _________________________________. 2. People say that the plane takes off at 4 pm. => It is said that _____________________. 3. People say that Lisa passed the test yesterday. => It is said that __________________________. 4. People say that the children have eaten fast food for 2 days. => It is said that _________________________________. 5. People say that Katy is a beautiful girl. => It is said that __________________.

Giúp e làm với -điền số vào chỗ trống -1kg = …g -1kg 380g =…g

có bao nhiêu giá trị nguyên của tham số m thuộc [ -2018; 2018] để hàm số y = căn ( x2 +1) - mx - 1 đồng biến trên R

Văn bản trên đã sử dụng nhiều từ ngữ khác nhau để chỉ nhân vật thánh Gióng . Em hãy liệt kê các từ ngữ ấy ra thành 2 nhóm theo 2 thời điểm : trước và khi Gióng vươn vai thành tráng sĩ để ra trận đánh giặc

She can t give him a decision for the proposal she needs ... time to think Chọn đáp án sau: A,less B,more C,a few D,a little