Bài 1: Phân tích đa thức thành nhân tử a) 14^2y - 21xy^2 + 28x^2y^2 b) x^2 - y^2 - 2y - 1 c) x^2 + 4x - 2xy - 4y + y^2 giúp em bài này với ạ mong mng giúp ạ
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The world's best-known inventions of the Vietnamese The father of ATM (automatic teller machine) is Do Duc Cuong, who has made 50 inventions. He was found as the student with the highest (16) index in a test carried out by a Japanese group of scientists. This gave him the (17) to receive a scholarship to follow the university study at Osaka University. In Japan, Mr. Cuong went to university and took an extra job for Toshiba Company. An invention then unexpectedly brought him to the US. Mr. Cuong was then invited to the US to “use a technique to obtain one billion clients for the bank”. Mr. Cuong said his work is to popularize banking (18) , so as to make the services accessible to everyone. He has invented the ATM, which is considered a (19) in the banking history. Professor Dr. Nguyen Viet Hung, a Vietnamese native who now works at the Sydney University in Australia, and his associates successfully generated a smart wheelchair. The wheelchair is designed to have the function of a moving (20) which can avoid obstacles which it sees through the camera (21) on the vehicle. The wheelchair can move based on people’s commands, cither the shake of the head, eyes, and the (22) of the owners. Professor Hung believes that the invention would create a big (23) for the human’s research works to help make the lives more convenient for paralytic people. Dr. Chu Hoang Long was the only Vietnamese (24) who received Eureka prize for the water research and innovation. The model allows fanners to find out the optimal volume of water needed for watering, and the optimal (25) of water needed for protecting the environment, while helping create the flows beneficial to the environment. revolution opportunity volume co-inventor services robot installed breakthrough thoughts intelligence
Làm tính chia: a) (2x^5 – 5x^3 +x^2 +3x-1):(x^2-1)
Kho A có ít hơn kho B 120 tấn thóc . Tính số thóc mỗi kho .. Biết rằng kho A bằng 2-5 số thóc ở kho B
Chủ nhiệm dạy Sinh để slogan là j cho ngầu 🧐 Kiếm cho mình câu slogan ý nghĩa và ngắn gọn tiện vẽ hộ logo lớp lun nha kèm cả slogan á, hoặc kiếm cho mình 5 slogan có yêu cầu như trên kèm chibi cute nhó
làm hết, nhanh = ctrhn + 5* + cm
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