Bài 1: a) 360: (3360:|2000-(120+2^3.2.^250)}. b)2^120:2^118+3^798:3^788-12^45:12^45 c) -4+ 12+104 +(-12). Bài 2: (2,5 điểm) Tìm x biết: a) 29x- 13= 45. b) (168-2x):7 = 24. c) x:8 và 15 < x < 60 Giúp Mik với

Tìm m để phương trình sau có nghiệm : (m+1)x^2-2mx+m+1=0

m.n jup em vs, em sẽ vote 5 sao ạ

Trên cùng một hệ trục tọa độ, vẽ đồ thị hàm số: y=-3/4 x M.n giải giúp em bài này vs, ai giải đúng + chi tiết em vote 5 sao cho

Tính bằng cánh thuận tiện c) 2,5 x 12,5 x 0,8 x 4 d) 0,25 x 0,68 x 40 e) 5,67 x 0,25 x 0,4 g) 0,125 x 0,6 x 8

Part 2: Choose the underined part which needs correcting: (0.5 pt) Nam‟s mother needs a tube with toothpaste. A B C D There are any oranges and bananas in the pasket. A B C D Part 3: Supply the correct form of the word: (1 pt) 1.Tuan and I sometimes fly (we) ______ kites. 2.They need two (sand wich) ______ 3.Hoa is hungry. She‟d like a plate of (fry) ______ rice. 4.How much is a bottel of (cook) ______ oil?

XIII. Read and choose the best answer. Hoa is going on (1) .......... this summer. First, she is going (2) ............ Ha Long Bay, Ho Chi Minh Mausoleum (3) ........... Hoi An Ancient town (4) ........... five days. She is going to stay (5) ............ her uncle in Ha Noi. (6) ............. , she is going to stay in a hotel in Hue for two days. She is going to see the (7) .......... and Thien Mu (8) .......... Giúp e với ạ

Bài 7: a) Vẽ đồ thị hàm số y = 3x. b) Tìm toạ độ điểm D, biết D thuộc đồ thị hàm số trên và D có tung độ là 6. c) Xác định các điểm A(1 ;3) ; B(2;0) ; C(-1 ;-3) trên hệ trục tọa độ và kiểm tra điểm nào thuộc đồ thị hàm số y = 3x. Bài 8: a) Cho hàm số y = f(x) = -2x + 3. Tính f(-2) ;f(-1) ; f(0) ; b) Cho hàm số y = g(x) = x2 – 1. Tính g(-1); g(0) ; g(1) ; g(2). XIN CẢM ƠN

mai nộp rồi các bạn giúp mk nha Mark the letter A, B, c or D on your answer sheet to indicate the correct answer to each of the following questions 1. The generator is one of Faraday's most important . A. achievements B. achievement C. achieve D. achieving 2. His of the generator is very famous. A. invent B. inventive C. invention D. inventor 3. We will our English vocabulary if we read English books every day. A. rich B. richness C. enrich D. richly 4. These children have the to imitate animals' voice. A. able B. ability C. disable D. disability 5. Money doesn't bring to man. A. happy B. happiness C. happily D. unhappy 6. The teacher does everything in order to her students. A. courage B. encourage C. encouragement D. encouraged 7. What is his ? -Is he American or English? A. national B. nationality C. nationalize D. international 8. You should spend your free time . A. useful B. useless C. usefully D. uselessly 9. Please decide what you want to do. You must make a A. decide B. decision C. decisive D. decisively 10. We are discussing about a problem of great A. important B. importance C. importantly D. import 11. Her from school without any excuse made the teacher angry. A. absent B. absence C. absently D. absences  12. The little boy felt very________ because his parents did not let him go with them. A. disappoint B. disappointment C. disappointed D. disappointing 13. Your new dress makes you more________ A. beauty B. beautiful C. beautify D. beautifully 14. There are a lot of differences in England. A. region B. regional C. regionally D. regions 15. The surgeons tried their best to save his life, but unfortunately the operation was A. success B. successful C. unsuccessful D. sucsessfully 16. You are old enough to take for what you have done. A. responsible B. responsibility C. responsibly D. irresponsible 17. It is of you to leave the medicine where the children could reach it. A. care B. caring C. careless D. careful 18. We are impressed by his to help us with the hard mission. A. will B. willing C. willingness D. willingly 19. Although they are twins, they have almost the same appearance but they are seldom in _____ A. agree B. agreeable C. agreement D. agreeably 20. It is reported that humans are the main reason for most species' declines and habitat and degradation are the leading threats. A. destroy B. destructive C. destructor D. destruction

Trung bình cộng của sáu số là 4. Do bớt đi số thứ sáu nên trung bình cộng còn lại là 3. Tìm số thứ 6 Mik cần gấp hứa cho 5* và câu trả lời hay nhất