Pascal Nhập vào một ma trận vuông góc cấp n.Hãy in ra ma trận 1.Ma trận vừa nhập 2.tìm ptử nhỏ nhất trong từng hàng 3.đếm xem trong ma trận có bn số 0 4.đếm số lần xhiện của số x trong ma trận và vtri của chúng(x dc nhập từ bàn phím) 5.tính tổng các phân tử lớn nhất của mỗi hàng

Làm hộ bài này giùm e cái e cảm ơn trc

Cho mình hỏi là gang và thép có phải là vật thể tự nhiên không? Sao có trang ghi nó là vật thể nhân tạo

Vẽ tam giác ABC, biết AB = 4cm, AC = 3cm, BC = 5cm

trong dãy số dươi đây , số 15/30 là số thư bao nhiêu 1/1,1/2,2/2,1/3,2/3,3/3,1/4,2/4,3/4,4/4,.......

Tính nhanh : 1+ 3+5 + ... + 101 + 103

1. He want to travel all around the.........(global) 2. This law becomes......on 12 May (operate) 3. Employees will generally be more.......if their views are taken seriously (cooperate) 4. My sister speaks Spanish.......(fluency) 5. When speaking to young people, keep it ...........(simplify) 6. He became a private........in civil aviation (operate) 7. The station will be....... again in November (operate) 8. Jill and Sue are at.........with each other about their lodger (vary) 9. Prices have not shown much.......this year (vary) 10. The machine was quite......to use(simplicity) 11. You have missed several .......this term(attend) 12. They had a quite wedding-only a few friends........(attendant) 13. They are discussing about the........effects of pollution (globe) 14. The problem of this area is famie and its .......diseases (attend) 15. Our.....was held throughout his talk(attend) 16. Employees will generally be more....if their views are taken seriously (cooperate) 17. The queen's......are coming in the place(attend) 18. She spoke Chinese with great......(fluent) 19.A good hostess was is always ......to the needs of her guests(attend) 20. Cleaning the lights is.......itself; just wipe it with a damp cloth(simply) 21. The novel.....for learners of intermediate level(simple) 22. They are expecting a large.......at the meeting (attend) 23. ........warming is now a major difficulty that we are facing(globe) 24. The quality of the hotel food is distinctly......(vary) 25. The mother held her children with.......(tender)

Cho tam giác ABC đều có cạnh bằng 4 .a) tính độ dài bán kính của đường tròn ngoại tiếp tam giác ABC .b) tính diện tích của tam giác ABC

Cirle the best option to complete each sentence: 11. He ran _________ than his friend a. fastest b. faster c. fast d. more fast 12. This summer is not as hot _________ last summer a. as b. than c. to d. like 13. “Could you talk _________ ? I’m learning my lessons” a. as quietly b. so quietly c. more quietly d. most quietly 14. It is _________ to talk about a problem than to solve it a. more easier b. easier c. easy d. easiest 15. Jim is five centimeters _________ than Tom a. higher b. taller c. tallest d. tall 16. Winning a place at university _________ for most students a. has become as difficult b. becomes the most difficulty c. is becoming more and more difficult d. will become more difficult 17. The more you study, _________ a. the more knowledge do you gain b. you will gain more knowledge c. the more knowledge you gain d. you are the more knowledgeable 18. The people here are _________ than I expected a. more nice b. most nice c. nicer d. nicest 19. My new boss isn’t as rude _________ my own boss a. as b. so c. than d. that 20. She was _________ friendly person I’ve ever met a. the least b. less c. less and less d. so

RÚT GỌN BIỂU THỨC:B=( 2/√x -3 - √x -5/x-9): √x -1/√x -3