Bài 1Tính nhanh a} 3+5+7+9+.......+47+49 b}36+37+38+......+88+89 c}6+7+8+9+........+17+18+19 d}1+2+3+4+.......+200 Baì 2 tính nhanh 38+41+117+159+62 73+86+968+914+3032 341.67+341.16+659.83 42.53+47.156-47.114

Hứa vote năm sao ạ ai nhanh nhất em vote ctlnh

hộ em câu g,h thôi em cảm ơn trc

a)giải phương trình sau A=x-3√x +2>1 b) tìm giá trị lớn nhất của A

giúp mik cảm ơn nha mik vote cho

1. Prepare the lesson carefully or you will get bad mark. (Inversion) ___________________________________________________________________________ 2. Mix blue and yellow, you get green. ___________________________________________________________________________ 3. Hurry or you'll be late for school. (Unless) ___________________________________________________________________________ 4. I don’t know Korean so I couldn’t talk to Koreans. (Inversion) ___________________________________________________________________________ 5. You can use my car but you must drive carefully. (As long as) ___________________________________________________________________________ 6. I don't win a lot of money, so I can't spend most of it travelling round the world. ___________________________________________________________________________ 7. I am short; that's why I won't be a pilot. ___________________________________________________________________________ 8. If I were you, I would eat less. (inversion) ___________________________________________________________________________ 9. I didn't tell her any good news because I wasn't here. ___________________________________________________________________________ 10. I was wearing a seat belt, so I didn't have a bad accident. ___________________________________________________________________________ 11. He isn't a rich man now because he didn't take my advice. ___________________________________________________________________________ 12. Last night I had an accident because I wasn’t careful. (Inversion) ___________________________________________________________________________ 13. You help me so I can finish my work. ___________________________________________________________________________ 14. She encouraged him and he succeeded. (But for) ___________________________________________________________________________ 15. The teacher explained and we understood. (without) ___________________________________________________________________________ 16. Travelling by car is convenient in case you have somewhere to park. (Providing) ___________________________________________________________________________ 17. She must study hard to pass the exam. (Provided) ___________________________________________________________________________ 18. The meeting can be cancelled because it snows heavily. (Inversion) ___________________________________________________________________________ 19. Robert got a bad cough because he started smoking cigarettes. (Inversion) ___________________________________________________________________________

Sau cuộc khởi nghĩa, Hai Bà Trưng có hi sinh không? Cuộc khởi nghĩa năm bao nhiêu?

Đề là tính giá trị biểu thức Nhanh nha

Exercise 2: Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions 1. These quick and easy ​can be effective in the short term, but they have a cost. A. solve​B. solvable​C. solutions​D. solvability 2. He was looking at his parents ​, waiting for recommendations. A. obey​B. obedience​C. obedient​D. obediently  3. The interviews with parents showed that the vast majority were​of teachers. A. support​B. supportive​C. supporter​D. supporting 4. It is ​of you to leave the medicine where the children could reachit. A. care​B. caring​C. careless​D. careful 5. For ​reasons, passengers are requested not to leave any luggageunattended. A. secure​B. securely​C. security​D. securing 6. The leader of the explorers had the great ​in his native guide. A. confident​B. confidence​C. confidential D. confidentially 7. We are impressed by his ​to help us with the hard mission. A. will​B. willing​C. willingness​D. willingly 8. Although they are twins, they have almost the same appearance but they are seldom in ​ A. agree​B. agreeable​C. agreement​D. agreeably 9. The more ​and positive you look, the better you will feel. A. confide​B. confident​C. confidently​D. confidence 10. 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

Xác định vị trí của M trên cạnh BC để DE có đọ dài nhỏ nhất. Giúp mk vs ạ