Cho tam giác MNP vuông tại M có đường cao MQ. Biết NQ = 2cm, PQ = 3cm. a) Tính độ dài các đoạn thẳng MQ, MN, MP. b) Gọi I là trung điểm của MP. Tính góc MIN; INP. (làm tròn đến độ) c) Kẻ MD vuông góc với NI (D thuộc NI). Chứng minh NDP = NQI . giúp em vớiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii

rút gọn hộ tui vs nha ^^ cảm ơn nhìu nha mọi người

Nêu các hằng đẳng thức đáng nhớ?

Viết chương trình Pascal sử dụng mảng để nhập từ bàn phím các phần tử của một dãy số độ dài của dãy cũng được nhập từ bàn phím sau đó tính tổng các số lẻ rồi hiển thị ra màn hình

tìm x 1/3 +2/7 < 0.5 - 2/3x < 3/4 + 0,25

15. After George had returned to his house, he was reading a book. A B C D giải thích nha

Computers are helpful in many ways. First, they are fast.They can work with information even (25)_______quickly than a person. Second, computers can work with a lot of information at the same time.Third, they can (26)_______information for a long time. They do not forget things that the common people do. Also, computers are almost always correct. They are not perfect, (27)_______ they usually do not make mistakes. Recently, it is important (28)_________ about computers. There are a number of things to learn.Some companies have classes at work. In addition, most diversities offer day and night courses in Computer Science. Another way to learn is from a book, or from a friend. After a few hours of practice, you can work with computer, you may not be an expert but you can have fun. Question 25. A. more B. most C. the more D. the most Question 26. A. get B. keep C. last D. have Question 27. A. and B. so C. or D. but Question 28. A. of know B. to know C. knowing D. know

Each classroom in my school has one projector and one computer. → There is 2. We have a plan to visit him on Tuesday next week. → We are 3. Mary usually gets 8 for her Maths tests. Dave usually gets 10 for his Maths tests. → Dave is 4. No pyramid in the world is greater than the Great Pyramid of Giza. → The Great Pyramid of Giza 5. It would be a good idea if we learn in groups to help each other. → Students should

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