Sau khi học bài học, học sinh cần làm được gì để tiếp nhận và vận dụng kiến thức kĩ năng của chủ đề?

1 tìm x a,9187-x÷409=89^2-102 b,35-2×(x-4)=15 c,4×(2x+8)+25=85 d,1+2+3+4+.....+x=1035 e,x×1+x×2+x×3+x×4+.....+x×100=15150 f,(x+1)+(x+2)+..........+(x+200)=21100 2 a, cho A=4+2^2+2^3+.........2^20 chứng tảo A là lũy thừa của 2 b, cho B=3+3^2+3^3+..........+3^100 tìm n để 2B+3=3^n

thực hiện phép tính trên (56*46-25*23) :23

Ai ơi, có ai vẽ chibi buồn, và buồn đến nỗi mà khóc cả đầy chậu nước. Ai ơi, có ai vẽ chibi buồn, và buồn đến nỗi mà khóc cả đến cạn nước mắt

Giúp t vs mn ơi mai phải nộp r.

Tìm 2 số sao cho tổng của chúng nhỏ nhất, biêt rằng mỗi số có năm chữ số và tổng các chữ của 2 số đó là 89.

C= 2 bi . R Là công thức gì vậy ạ

Viết lại câu không thay đổi nghĩa 1.It isn’t necessary to finish the work to day. You don’t ……………………………………………………………………………………………………………….. 2.Sally finally managed to get a job. Sally finally succeeded …………………………………………………………………………………………….. 3.That’s the last time I go to that restaurant. I certainly……………………………………………………………………………………………………….. 4.”I advise you to take a holiday,” the doctor continued. You’d ……………………………………………………………………………………………………………………. 5.If you don’t rest yourself you really will be ill. Unless ……………………………………………………………………………………………………………………. 6.I should like someone to take me out to dinner. What I should ……………………………………………………………………………………………………………… 7.Martin may not be very well but he still manages to enjoy life. Martin’s poor …………………………………………………………………………………………………………………. 8.They’ll have to take the dog on holiday with them. They can’t leave ……………………………………………………………………………………………………………… 9.My aunt got heavily stressed because her marriage broke up. The break-up of the marriage ……………………………………………………………………………………. 10.I can’t believe that he passed the exam. I find………………………………………………………………………………………………………………. 1.When did you first know him? How ……………………………………………………………………………………………………………………. 2.Their trip lasted three day. They had ……………………………………………………………………………………………………………………. 3.It may rain hard this afternoon, so take the rain coat with you. In case ……………………………………………………………………………………………………………………. 4.She had to do the washing up but she didn’t. She forgot…………………………………………………………………………………………………………… 5.English id easy to learn. It ……………………………………………………………………………………………………………………. 6.Don’t leave the lights on all night, you will waste electricity. If ……………………………………………………………………………………………………………………. 7.The furniture was too old to keep. It was ……………………………………………………………………………………………………………………. 8.Gary is the best guitarist in her class. No one else ……………………………………………………………………………………………………………………. 9.Since the invention of computer, people have saved a lot of time. Since the computer was …………………………………………………………………………………………………………… 10.It’s necessary for everybody to clean up their neighborhood once a week. Everybody ……………………………………………………………………………………………………………………. 1.He can’t afford to buy the car. The car………………………………. …………………………………………………………………… 2.Shirley didn’t begin to read until she was eight. It wasn’t………………………………. ……………………………………………………………………… 3.Mrs. Taylor regretted buying the second –hand washing-machine. Mrs. Taylor wished………………. …………………………………………………………………… 4.Nobody can deny that she has a beautiful voice. It………………………………………………. ……………………………………………………………. 5.Jane is the tallest girl in her class . Nobody…………………………………………. ……………………………………………………………. 6.They couldn’t find the manager anywhere . The manager was……………………… …………………………………………………………………… 7.Their teacher is making them study hard . They ………………………………………… …………………………………………………………… 8.As I get older , I want to travel less. The older ………………………………… ………………………………………………………………… 9.I have never been to Liverpool in my life . Never …………………………………………….. ……………………………………………………….. 10.My father speaks very little French . My father speaks hardly …………………………. ………………………………………………….. . 1.This is the fastest way to get to the city center. There ……………………………………………………………………………………………………………………. 2.If anyone succeeds in solving the problems, it will probably be him. He is the most ……………………………………………………………………………………………………………………. 3.We arrived too late to see the first film. We didn’t ……………………………………………………………………………………………………………………. 4.”Would you mind not smoking in here?” I’d rather ……………………………………………………………………………………………………………………. 5.He wrote the letter in two hours. It took ……………………………………………………………………………………………………………………. 6.”Why don’t we go out for a walk?” My father suggested ……………………………………………………………………………………………………………………. 7.In spite of his age, Mr. Benson runs 8 miles before breakfast. Though ……………………………………………………………………………………………………………………. 8.I was very interested in our conversation. It was interesting ……………………………………………………………………………………………………………………. 9.Why did you do that ? Whatever …………………………………………………………………………………………………………………..? 10.These bookshelves are my own work. I made ……………………………………………………………………………………………………………………

Giúp mình giải mấy câu này với Vote 5 sao

So sánh diện tích của: a) hình chữ nhật ABCD và hình tam giác MDC b) hình chữ nhật IKDC và hình tam giác MDC các bạn ơi mik ko có hình xem hình ở bài tập toán 5 trang 34 bài 188 nhé!