Một thửa ruộng hình thang có đáy lớn 40m; đáy bé bằng 2/5 đáy lớn; chiều cao bằng trung bình cộng 2 đáy. Trung bình cứ 100m2 thu được 40kg thóc. Vậy cả thửa ruộng thu được bao nhiêu tạ thóc?

Giúp me với thanks, ko cần làm câu 13 nhá

Giúp em với em hok bt cách giải Giúp em phần a,b thôi

sắp xếp các chữ cái để tạo thành từ đúng : 1. trefa ⇒ 2.dne ⇒ 3.tae ⇒ 4.trosp ⇒ 5.ttars ⇒ 6.hingt ⇒ 7.ngEshil ⇒ 8.chwat ⇒ 9.ylap ⇒ 10.tham ⇒

VẼ POKEMON MACHAMP TRÊN GIẤY A3 ( LƯU Ý VẼ DỌC ) TÔ MÀU ĐÚNG ĐẸP THÌ MIK SẼ VOTE 5 SAO VÀ CẢM ƠN BÀI VẼ NÀY CÓ GIÁ TRỊ 60 ĐIỂM

tử số và mẫu số của một phân số nhỏ hơn một là hai số lẻ liên tiếp có tổng bằng 32. tìm phân số đó.

III. Choose the correct option A,B,C or D to complete the sentences. 6. A person who . . . . . the bagpipes is called a piper. A. plays B. performs C. entertains D. does 7. Don’t drink that water. It’s . . . . . A. damaged B. dumped C. contaminated D. pollution 8. The team’s success was largely . . . . . to her efforts. A. because B. due C. since D. as 9. We don’t have many carnivals in Vietnam; . . . . ., we have many traditional festivals. A. nevertheless B. while C. although D. because 10. When I came, the whole family . . . . . dinner around a big dining table. A. is having B. was having C. had D. have 11. While she was dancing, the princess . . . . . a witch. A. was seeing B. saw C. see D. is seeing 12. The government is sending . . . . . to the flood victims. A. touch B. aid C. accommodation D. provision 13. I often drink coffee, but today I . . . . . tea. A. am drinking B. drink C. drank D. drinks 14. By the time we got to the cinema, the film . . . . . A. started B. had started C. starting D. starts 15. All our English teachers are . . . . . speakers. A. native B. original C. foreign D. orginally 16. If you were the president, what . . . . . you do to help the environment ? A. will B. would C. do D. are 17. When she comes later today, he . . . . . the dinner. A. cooks B. is cooking C. will be working D. has cooked 18. If the teacher were here now, we’d ask him the difference . . . . “science” and “technology”. A. among B. of C. between D. for 19. Our teacher says that new technology . . . . . many worker jobless in the future. A. makes B. is making C. will make D. has made 20. . . . . . ethnic minority people in the village are very friendly. A. a B. the C. an D. θ 21. The song “The road to glory days” . . . . . by Tran Lap is a very popular song. A. compose B. composed C. composing D. to compose 22. Alexander Graham Bell was a great . . . . ., who invented the telephone. A. developer B. conservationist C. scientist D. explorer V. Rewrite the sentences so that it stays the same meaning. 28. You should water these flowers regularly. These flowers should …………………………………………… 29. “ I have decided to become an astronomer”, he said. He said that ………………………………………………………. 30. Let's go abroad for our holiday this year. Why ……………………………………………………………… 31. During dinner, the phone rang. While I …………………………………………………………… VI. Rearrange the words to make meaningful sentences. 32. New York/ the/ but/ is/ city/ the USA/ the/ in/ not/ biggest/capital./ 33. English/ an/language/ Malaysia/ India/ many/ is/ official/ in/ and/ other countries./ 34. English speakers/ increasing/ the/ of/ number/ world/ is/ the/ in/ fast./ 35. whereas/ capital/ of/ the/ London/ of/ Edinburgh/ capital/ England/ the/ is/ is/ Scotland./

Các bạn chuyên toán giúp mik với =((

15 : 51 ngày mai ms đc mở acc:D Vẽ mây cute và ma cute Yc full màu, cute, line ,có tâm, pic kí pic ko kí Nl :hai acc bị khóa zồi

Xe thứ nhất chở được 25 tấn hàng .xe thứ hai chở 35 tấn hàng. Xe thứ ba chở hơn trung bình cộng 3 xe là 10 . Hỏi xe thứ 3 chở bao nhiêu tấn hàng? cả bài nha