mn giúp mình với mình cho 5 sao helpp

Ai giúp mình câu này với, mình cảm ơn(xin cách giải luôn nha) Trong game CS:GO, bạn Vũ sử dụng súng Desert Eagle với một băng 7 viên đạn. Trình độ của Vũ có 50% khả năng bắn trúng kẻ địch. Những viên đạn trúng đích có 20% khả năng trúng vào kẻ địch (những viên headshot). Viên đạn headshot sẽ lập tức hạ gục đối thủ, nếu không Vũ cần 3 viên đạn trúng đích. Tính xác suất để Vũ hạ gục đối thủ chỉ với 1 băng đạn A. 76,625% B. 87,25% C. 85,125% D. 78,5%”

254 nhân 399 - 145 ____________________ 254 + 399 nhân 253

Mọi người ơi giúp mình với mình cần gấp.

Tìm ước của 20,48pi với 6,48pi và ước chung của 2 số giúp r vs ạ

.Using the words given to make meaningful sentence. TH Question 33. Nowadays /a lot of / important inventions / be / carried out / by scientists . ………………………………………………………………………………………………………. Question 34. Lan/tell / me /that /she / go /camping /with her classmates / the next day. ……………………………………………………………………………………………………………. Question35. I believed /science and technology /be/ the keys/ develop / the society. …………………………………………………………………………………………………………. Question 36. the invention / the telephone /make/ our lives / much easier? ……………………………………………………………………………………………………………. 2 Complete the second sentence so that it has a similar meaning to the first one. Question 37: My mother goes shopping at about this time every week. →This time next week, my mother…………………………………………………………………….. Question38.Tom said: “I want to buy a science book .” → Tom said………………………………………………………………………………………… Question 39.The teacher said: “You will have a lesson in the language lab tomorrow” →The teacher said ………………………………………………………………………………………. Question 40. She said: “I saw the school-boy here in this room yesterday” →She said ……………………………………………………………………………………………….

Two great inventors LászlóBíró was born in Budapest in 1899. After he left school, he studied medicine a university, but he didn't finish his studies. He did a number of different jobs and then became a journalist in the 1930s. He and his brother Gyorgy then invented a new type of pen with a small ball at the end. The new pen worked with the thick ink.It quickly became popular all over the world. ErnoRubik was born in Budapest in 1944. He studied architecture and design at the Technical University.In the 1970s, he invented a mechanical puzzle. Rubik called it the "Magic Cube". It soon became popular in Hungary and the rest of Europe. In 1975, he continued to invent puzzles. In the early 1980, the cube became popular in the USA too, and got a new name: "Rubik's Cube". It is the world's best-selling toy. Rubik became very rich and went on to invent many more games and puzzles. Question 29.LászlóBíró was born ? A. In 1944 B. in 1899 C. in 1975 D. in 1930s Question 30. Who invented a new type of pen with a small ball at the end? A.Gyorgy B LászlóBíró C. LászlóBíró and Gyorgy D.ErnoRubik Question 31. The word It refers to . A. a new type of pen B."Magic Cube" C. Rubik's Cube" D.puzzles. Question 32. Where did Rubik’s invention become popular? A.In Hungary B.The rest of Europe C. In the USA D All are correct

7.Do you know how much a banana cost? ---> Sửa lỗi sai D/A thui Nhanh dc ctlhn

tinh giup minh cau F nha mng can gap a

Computers are (25) in many ways. First, they are fast. They can work with information even more 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. (27) , computers are almost always correct. They are not perfect, but theyusually do not make mistakes. Recently, it is important to know about computers. There are (28) 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 computers. Question 25. A.helpful B.helpless C. useless D. worthless Question 26. A. hold B. keep C. stay D. carry Question 27. A. Moreover B. However C. Therefore D. Nevertheless Question 28. A. a little B. a few C. a number of D. little