Các bạn giúp mình câu này nhé! Mình cảm ơn trước.

quãng đường từ thanh hóa vào hà nội dài 150km , 1 ô tô đi từ hà nội vào thanh hoá và nghĩ lại thanh hóa 3h15p rồi trở về hà nội ,hết tất cả là 10h . Tính vận tốc ô tô lúc về biết rằng vận tốc lúc đi lớn hơn vận tốc lúc về là 10km/h

1 canô đi từ A đến B hết 6h. Khi đi từ B về A nhanh hơn lúc đi 4 km/h nên thời gian chỉ mất 5h. Tính quãng đường AB

Bài 1: Đật tính và tính a) 9240 :30= ? b) 8008 :22 =? c) 1682 :58 =? nhanh cho vote 5 trả lời hay nhất cảm ơn

mọi người giúp mik với thì hiện tại hoàn thành là gì ạ cho mik hỏi là chủ ngữ số nhiều thì dùng have còn chủ ngữ số ít thì dùng has riêng I thì dùng have đúng không ạ còn đâu chủ ngữ số ít khác+has mik nói đúng không ạ xong mik vote 5 sao cảm ơn nhiều ạ giúp mik với

Kể những đóng góp của vua lê Thành Tông trong lĩnh vực văn học ở thế kỉ XV

II. Fill in the blank with the correct form of verbs: 1. Would you like (listen).. 2. Yesterday, Ba ( go)... 3. Nam enjoys ( play)... 4. Lan asked me (go)... III. Complete the sentences with right prepositions: (1,25ms) 1. That's very kind ....to some music? ..to Da Nang by car. .soccer after school, ...to the supermarket. you to help me this Math. 2. We hope to earn some money our school Y & Y. 3. What did you do the ninth of April, 2002? (April 9h , 2002) 4. Well, let's go a walk the weekend. 5. Minh has high marks IV. Combine each pair of sentences, using ENOUGH: 1. He is intelligent. He can answer all the questions. 2. He isn't tall. He can't reach the shelf. exam working very hard. 3. She is good. She'll pass the exam. 4. You aren't well. Don't go to school. 5. They are sociable. They can make a lot of friends ( Giúp em với mai em nộp rồi ạ)

1. I think I____ home across the park. (1 Point) a. walk b. will walk c. am walking d. walking 2.‘Dr Jackson isn’t in his office at the moment.’‘In that case, I ______ him at home.’ (1 Point) a. will phone b. am going to phone c. am phoning d. phone 3.They put video cameras in shops _______ stop people stealing things. (1 Point) A. not to B. so as not to C. in order to 4.He is working very hard______get poor grades. (1 Point) a. in order to b. in order not to c. to 5. Why not come over at the weekend? The children_____ seeing you again. (1 Point) a. enjoy b. will enjoy c. are enjoying d. is going to enjoy 6. He studies hard. He doesn’t want to fail in the exam. He studies hard _________fail in the exam. (1 Point) A. not to B. so as not to C. in order to D. so that 7.10. The book fell_____the table. a. of b. off c. up d. in (1 Point) a. of b. off c. up d. in 8. That bag looks heavy. I_______ you with it. (1 Point) a. will help b. am going to help c. am helping d. help 9.13. She was _____ for days after the accident. a. conscious b. unconscious c. consciously d. unconsciously (1 Point) a. conscious b. unconscious c. consciously d. unconsciously 10.They moved to the city_____well - paying jobs. (1 Point) a. in order to get b. for getting c. in order not to get d. so that getting 11. Jackson was going to study all night, ________ he declined our invitation to dinner. (1 Point) so in order to 12. I tried to cheer him_____, but he just kept staring out the window. (1 Point) a. on b. up c. off d. out 13. Calm______and tell me what happened. (1 Point) a. out b. down c. in d.up 14. You should look up the meaning of the new word in the dictionary _______ misuse it (1 Point) A. so as to B. to C. so as not to D. so that 15. ______ is a long stick that someone put under their arm to help them, walk when they have hurt their leg. (1 Point) a. Crutch b. Wheelchair c. Stretcher d. Bandage 16.These medicines can_______ your headache. (1 Point) a. ease b. elevate c. revive d. affect 17.The highway was under construction, _______ we had to take a different route to work. (1 Point) B. so C. in order to D. A & C 18.If you move to your left, you_____the church. (1 Point) a. will see b. are seeing c. has seen d. see 19. He turned off the lights before going out _______ waste electricity. (1 Point) A. so that not B. as not to C. in order that not D. so as not to 20. Don't overheat the victim with blankets or coat. (1 Point) a. make someone too hot b. make someone too cold c. hurt someone d. destroy someone 50 điểm đó làm đúng 20 câu

Bài 2: Lập công thức hóa học, phân loại và gọi tên các oxit được tạo bởi các nguyên tố sau: Na, Mg, N (III), Cr (VI), Fe (II), P (III), C (IV), S (VI).

3/8KG.......G 23/2OKM2 ..........HA