câu tường thuật 1. Do you like listening to music 2. are you reading any good book now ? 3. how you ever seen a famous persoon ?

Tính giá trị biểu thức sau biết x ³ - x = 6 A = x^6 - 2x^4 + x ³ + x ² - x

Vẽ sơ đồ tư duy chiều dài lịch sử 4000 năm chống giặc của Việt Nam Giáo dục quốc phòng lớp 10 bài 1

1) viết lại câu với cụm từ trong ngoặc nghĩa không thay đổi a. New York City is a far wealthier city than any cities in Vietnam (as) b. Hannoi capital city is generally not as exciting as Ho Chi Minh city (more)

BÀI TẬP CHỦ NGỮ ĐẶC BIỆT 1. The Vietnamese people ----------- a heroic people. A. is B. are C. was D. were 2. Miss White------------ her parents is going to pay a visit to the Great Wall. A. and B both C. as well as D. or 3. The Vietnamese ----------hard-working and brave. A. is B. are C. be D. being 4. A good deal of money ------------- spent on the books. A. have B. has C. have been D. has been 5. The manager or his secretary ------------ to give you an interview. A. is B. are C. were D. have 6. Mary is one of the girls who-------------often late for school. A. is B. are C. comes D. get 7. Two hours -------------- not long enough for this rest. A. have B. has C. is D. are 8. Ninety percent of the work -------------- been done. A. is B. are C. has D. have 9. Those who ----------------- to go with me, please raise your hand. A. want B. wants C. wanting D. are wanting 10. Salt and water ------------ to wash the wound A. is used B. are used C. was used D. were used 11. The news ------------- bad last night. A. Were B. was C. has D. has been 12. Three-fifths of the police-------------in the school near the town. A. has trained B. have trained C. has been trained D. have been trained 13. ------------ not only you but also he going to Japan? A. Are B. Is C. Were D. Was 14. All the books on the shelf ----------------to me. A. belong B. belongs C. belonging D. is belonging 15. The trousers you bought for me ------------ me. A. don’t fit B. doesn’t fit C. fits D. fit not 16. Mumps _______ usually caught by children. A. are B. was C. is D. were 17. The United States _______ between Canada and Mexico. A. lying B. lies C. lain D. lie 18. Physics_________ us understand the natural laws. A. helps B. help C. have helped D. helped 19. The police _______ the robber. A. were arrested B. has arrested C. have arrested D. was arresting 20. The cattle ________ in the field. A. is grazing B. grazes C. has grazed D. are grazing 21. Either you or he __________ wrong. A. are B. were C. have been D. is 22. John as well as Mary ________ very kind. A. Were B. are C. is D. have been 23. The doctor with the nurses _________ exhausted after the operation. A. Were B. was C. have been D. are being 24. Five miles _________ not very far. A. is B. are C. were D. have been 25. __________ ten years too long? A. Are B. Is C. Are being D. Were 26. Neither his parents nor his teacher __________ satisfied with his result. A. are being B. were C. is D. are 27. Each boy and each girl _________ a book. A. are having B. have had C. have D. has 28. Writing a lot of letters _________ her tired. A. Makes B. make C. have made D. are making 29. _________ everybody ready to start now? A. Are being B. Is being C. Is D. Are 30. None of the butter in the fridge __________ good. A. is being B. is C. have been D. are

với mọi số nguyên dương n, gọi Tn=2^2n + 1 chứng minh rằng Tm, Tn nguyên tố cùng nhau với mọi m,n phân biệt câu này siêu khó ạ nhờ các cao thủ giúp huhu

giúp tôi chi tiết................................

Dạ !! Giáo viên giúp em giải bài này với ạ..!!

Phân tích đa thức thành nhân tử x^2-x-12

Bài tập: Cho biểu thức A = ( 6 - 2/3 + 1/2 ) - ( 5 + 5/3 - 3/2 ) - ( 3 - 7/5 + 5/2 ) Hãy tính giá trị A theo hai cách (cách 1: tính trong ngoặc trước; cách 2: bỏ dấu ngoặc rồi tính). Giúp mk nhanh với. Cảm ơn nhiều.