giúp e với ạ b, c của bài 6 nhé

39: Before going into the temple, everyone has to take off his shoes. A B C D 40: By measuring the color of a star, astronomers can tell how hot is it. A B C D Nhanh hết mức

help me các thánh cao nhân giúp em vs

làm giúp em nha ạ làm xong phân tích cách làm và cách chia động từ nha ạ em cảm ơn

tìm x, biết a) (x-45).29=0 b) 21.(34-x)=42 c)156-(x-61)=82 cho 2 tập hợ p sau A= ∫4;5;6;7;8;9;10 ∫ B= ∫x ∈ N ║8<x<15 ∫ a) viết tập hợp A dưới dạng chỉ ra tính chất đặc trưng của phần tử b)viết tập hợp B gồm các phần tử của cả A và B Tính 98.31+62

Đưa thừa số vào trong dấu căn: c) 1/y√19yvới y >0 y d) 1 /3y√27/y2 y với y <0 Rút gọn biểu thức: b) y/2+ 3/4 √1 -4y+ 4y2 với y< 1/2 . Thực hiện phép tính: a)( 2/√3-1 +3/√3-2 +15/3-√3 )*1/√3+5 b,(√14-√7/1-√2 +√15-√5/1-√3)*1/√7 -√5

Gấp ạ giúp với ( ưu tiên mấy bạn làm ra giấy )

Giúpppp em vs ạ Em cần rất là gấpppp Cảm ơn mn đã giúp đỡ em

Một trường bán trú chuẩn bị gạo cho 120 học sinh ăn trong 20 ngày . Đến ngày khai giảng có thêm 30 học sinh mới đến . Hỏi số gạo trên sẽ hết sớm hơn dự định bao nhiêu ngày ? có cả tóm tắt)

11. The universe _______ and has been so since its beginning. A. expands B. expanding C. is expanding D. Expand 12. My sister _______ at home at the moment. A. is staying B. stays C. are staying D. stay 13. Gordon? I think he _______ a letter at the moment. A. writing B. is writing C. are writing D. writes 14. Our teacher always _______ us a lot of homework. A. is giving B. give C. gives D. are giving 15. She_______ a new ruler yesterday. A. didn’t buy B. doesn’t bought C. did buy D. didn’t bought 16. He _______ with his parents about his vacation in Da Lat last year. A. don’t talk B. doesn’t talked C. didn’t talk D. talks 17. They_______ school yesterday. A. didn’t comed B. didn’t come C. doesn’t comed D. doesn’t come 18. The windows _______ yesterday. A. didn’t close B. didn’t closed C. doesn’t closed D. doesn’t close 19. We _______at home at 7 p.m. last Monday. A. didn’t return B. didn’t returned C. doesn’t return D. doesn’t returned 20. She _______fish and crab yesterday. A. doesn’t eat B. doesn’t eated C. didn’t eat D. didn’t ate 21. Lan _______ Ho Chi Minh city two years ago. A. didn’t go B. doesn’t went C. didn’t went D. doesn’t go 22. My parents _______to Vung Tau last week. A. don’t taked B. don’t took C.didn’t take D. didn’t takes 23. We _______a lot of friends in Ha Noi two years ago. A. don’t have B. don’t has C.didn’t had D. didn’t have 24. _______ Lan and Hoa your classmates two years ago? A. Are B. Is C. Was D. Were 25. What_______they _______last week? A. do/ play B. did/ play C. do/ played D. did/ played 26. What _______ Hoa _______ on yesterday? A. did/ try B. do/ try C. did/ tryed D. do/ tried 27. Who _______ about the film on TV last Monday? A. talk B. talks C. talked D. talking 28.Where_______they _______on their way back last Sunday? A. did/ stop B. do/ stop C. did/ stopped D. do/ stopped 29. What _______the student _______at school two years ago? A. did/wears B. did/wear C. do/wears D. does/wear 30. Where _______ you _______ the cake yesterday? A. was/ put B. were/ put C. did/ put D. do/ put 31. What time _______ you _______ home for school yesterday? A. was/ leave B. were/ leave C. did/ leave D. do/ leave