Tus xem ảnh hộ mik!
Hong hỉu thì cứ hỏi :v
anh chị ơi giúp e đang vội giúp e cho 60 điểm ạ
Cho 5,5 g hỗn hợp Na2CO3 và Na2SO3 tác dụng hết với dung dịch HCl dư thu đc 1,12 lít hỗn hợp khí ở đktc .Tính phần trăm khối lượng mỗi chất trong hỗn hợp đầu
Vẽ lá cờ Việt Nam Và ghi thêm : 2/9/1945 - 2/9/2021
giúp mình với nha mng (50 điểm ạ )
Calli " Badz Quân" bằng app nhé mn, đẹp vèooo ctlhn + cám ơn + 5*
Giúp em vs ak em vote 5 sao 🌟 hình ảnh chất lượng hơi kém mong ac thông cảm
Giúp mik với lần hỏi cuối cùng ấy mong mn giúp cảm ơn
43. We’ll get there early so that we’ll be able to get tickets. A. If we get there early, we’ll be able to get tickets. B. If we don’t get there early, we’ll be able to get tickets. C. If we get there early, we won’t be able to get tickets. D. Unless we get there early, we’ll be able to get tickets. 44. “Close your books and go out to play”, the teacher said to us. A. The teacher told us close our books and go out to play. B. The teacher told us to closing our books and go out to play. C. The teacher told us closing our books and go out to play. D. The teacher told us to close our books and go out to play. 45. My dad worked in a factory in the past, but doesn’t work there now. A. My dad used to working in a factory. B. My dad used to be working in a factory. C. My dad used to work in a factory. D. My dad used to be work in a factory. 46. Mr. Peter has written a lot of articles for the CNN News. A. A lot of articles have written for the CNN News by Mr. Peter. B. A lot of articles have been written for the CNN News by Mr. Peter. C. A lot of articles has written for the CNN News by Mr. Peter. D. A lot of articles has been written for the CNN News by Mr. Peter. 47.Althoughhewastired, hefinisheddoinghishomework. A. In spite his tiredness, he finished doing his homework. B. In spite of his tiredness, hefinished doing his homework. C. In spite of he was tired, he finished doing his homework. D. In spite his tired, he finished doing his homework. 48. He is a much slower speaker than my brother. A. He speaks much more slowly than my brother. B. He doesn’t speak much more slowly than my brother. C. He speaks much more quickly than my brother. D. He doesn’t speak much more quickly as my brother. 49. They often went to school by bike when they were young. A. They used go to school by bike when they were young. B. They used to going to school by bike when they were young. C. They used to go to school by bike when they were young. D. They used to went to school by bike when they were young. 50. She has taught her children to play piano for 4 years. A. She started teaching her children to play piano 4 years ago. B. She started to teaching her children to play piano 4 years ago. C. She started teaching her children to play piano for 4 years ago. D. She started teaching her children to play piano since 4 years.
Một mảnh đất hình nhật có nửa chu vi là 160m, chiều rộng kém chiều dài 52 m .Tính diện tích mảnh đất hình chữ nhật đó ?
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