Đặt tính rồi tính 467 218 + 546 728 435 704 - 2627 2460 x3 4260 : 2 Tổng số học sinh của khối 4 là 160 học sinh ., trong đó số học sinh nữ nhiều hơn số học sinh nam là 10 học sinh . Hỏi khối lớp 4 đó có bào nhiêu học sinh nam , bao nhiêu học sinh nữ .

Nhận biết 2 khí sau bằng PPHH : oxi metan etan hiđro.

cảm nhận của anh chị về bài thơ Từ ấy. Từ đó thấy được lòng yêu nước của tác giả thể hiện qua tác phẩm Mọi người giúp mình với ạ , phần lòng yêu nước cần chú trọng hơn ạ

Tính chiều cao của mặt phẳng nghiêng tính sao á bạn

Làm hộ mình cái cần gấp rồi mình cho vote +5sao và trả lời hay nhất nhé

Cho tam giác ABC nhọn ( AB<AC) nội tiếp đường tròn (O;R). Vẽ AD là đường kính cũa (O) a)Cm: S∆abc= (AB.AC.BC) :4R b) gốc BAH= gốc CBD

bài 1: Đơn giản biểu thức sau khi bỏ dấu ngoặc: b-(b+a-c) bài 2:so sánh P với Q biết: P=a{(a-3)-[(a+3)-(-a-2)]} Q=[a+(a+3)]-[(a+2)-(a-2)]

IV-Change into the active : 1. Chess could be played when I was young -……………………………………………………............................................................. 2. Her handbag was stolen on the train yesterday -…………………………………………………………………………………………… 3. English is spoke all over the world ………………………………………………………………….................................... 4. The house has been built of stone and cement -…………………………………………………………………………………………… 5. The report will not be done by the clerk ……………………………………………………………................................. 6. Was that book written by Mark Twin ? …………………………………………………………….................................. 7. That house should be bought immediately …………………………………………………………........................................ 8. America was discovered by Columbus in 1492 ……………………………………………………. 9. The whole village has been destroyed by the flood -…………………………………………………………………………………… 10.That room may be used for meeting place …………………………………………………………......................................... 11.This house was built 100 years go …………………………………………………………......................................... 12.These arfiticial (nhân tạo) flowers are made of silk ……………………………… 13.The lessons are being written by the students now. ………………………………………………...................................................... 14.This job has to be done at once. ………………………………………………………………………......................... 15.This operation is going to be performed by French doctors. - …………………………………………………………………………………........ 16.The animals at the zoo are fed twice a day. …………………………………………………………............................................... 17.How are candles (nến) made ? ………………………………………………………………………............................ 18.The results of the contest are going to be announced (thông báo) -…………………………………………………………………………………........... 19.Nothing moved until the police arrive. ………………………………………………………………........................................... 20.They couldn’t be found anywhere. ……………………………………………………………………...................................

Lớp 5A và 5B góp được 245 quyển truyện vào thư viện nhà trường. Nếu lớp 5A góp thêm được 17 quyển nữa thì số quyển truyện hai lớp góp được bằng nhau. Hỏi lớp 5B đã góp được bao nhiêu quyển truyện?

36. The parents used to make the children study hard before exam . - …………………………………………………………………………………………… 37.He has to park his car in the right place . -……………………………………………………………… 38. They couldn’t not do anything to stop the fire .-………………………………………....... 39. They will have to change the day of the meeting .-………………………………….......... 40*.Are you sure that nobody was watching you ? -………………………………………..... 41*. He doesn’t like people laughing at him .-……………………………………………….... 42*. The workers want to change the manager .-…………………………………………........ 43. Did they build the garage at the same time as the house ? - …………………………………………………………………………………………… 44. They use cars and trucks to carry food to market .-………………………………….......... 45.Who invited her to the party last night ?-………………………………………………….. 46.You should not cut the flowers in the garden .-………………………………………......... 47.Has anyone ever asked you for your opinion ?-………………………………………......... 48.They paid me a lot of money to do the job .-………………………………………................ 49. No one told me about the change of the meeting. -………………………………..................................................................................................... 50.Tom used to visit his grandparents at weekends -……………………………………........................................................................................... 51.Did Sue knock that vase to the floor ?- ………………………………………........................ 52.What time can the boys hand in their papers ? -…………………………............................... 53.How long have they waited for the doctors ?-……………………………………................... 54.Who looked after the children for you ?-………………………………………..................... 55.Where do people speak English ? -………………………………………............................... 56.How did the police find the lost man ? -………………………………….............................. 57.They have given the women in most countries in the world the right to vote.(quyền bầu cử) -………………………………………………………………………………………… 58.People believe that 13 is an unlucky number. – It’s believed …………………………......../- 13 is believed ……………………………….. 59.They know that English is an international language. - It’s known that… ……………………………./- English is known ……………………….... 60.They say that John is the brightest student in class. – It’s said that … ……………………… /- John is said …………………........................ 61.Open your book. – Let ...........................……………………………………................... 62.Take off your hat . - Let …………………………………………………......................... 63.Don’t do that silly thing again . – Don’t let …………………………………. .................. 64* I don’t like people talking me what to do .-………………………………….................... 65* Don’t touch this switch . -……………………………………………………….............. 66. Are the police making iquires about the thief ? -………………………………….............................................................................................. 67.Will buses bring the children home ? -……………………………………......................................................................................... 68.What books are people reading this year ? -……………………………………………………………................................................... 69.Did your teacher teach you how to apply this theory ? - ................................................................................................................................................ 70.I had him repair my bicycle yesterday. - ……………………………………………………………..................................................