Giúp nhanh hộ đi, còn 1p thui ạ

nhanh nha pleaseeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee

cho số hữu tỉ x=a-3/2a ( a khác 0) .với giá trị nào thì x là số nguyên

Hòa tan hoàn toàn m gam Na vào 50ml dung dịch X có pH = 12 được dung dịch Y có pH = 13. Giá trị của m là

giúp e nhanh với e chỉ cần đáp án thôi ạ .Ko cần phải rườm rà giải thích đâu ạ huuuhu

11. You mustn’t cheat in exams because the teacher will punish you when you do that. 12. I’m so worried because I mustn’t be at home after school right now. 13. It is more interesting book I have ever read. 14. What’s the better film you have ever seen? 15. You mustn’t look after the house when your parents are away 16. It is raining heavily outside. You shouldn't bring your raincoat. 17. She always give presents to her parents on Tet holiday. 18. She will helps her mother decorate the house before Tet. 19. I don't think that lucky money can bring us good and bad luck. 20. The New Year Festival in Thailand is on April. It is very hot.

Mik đang rất gấp. Giúp mik vs đc ko ạ

Câu 2: Nitơ trong thiên nhiên là hỗn hợp gồm hai đồng vị là 𝑁714 (99,63%) và 𝑁715 (0,37%). Tính nguyên tử khối trung bình của nitơ?

nhanh nha mn di mà fffffffffffffffffffffffffffffffffffff

EXERCISES I. Put the verbs in brackets into the correct tenses. 1. If I see him, I (give) him a gift. 2. If I had a typewriter, I (type) it myself. 3. If I had known that you were in hospital, I (visit) you. 4. You could make better progress if you (attend) class regularly. 5. If I (know) his telephone number, I’d give it to you. II. Give the correct forms of the verbs in the parentheses. 1. She wishes her father (be) here now to help hen 2. I wish you (not give) them my phone number yesterday 3. I wish they (visit) us when they were in town. 4. I wish someone (give) me a job next month. 5. If only I (can take) the trip to Hanoi with her next summer. III. Use a phrase or clause of purpose to combine each pair of sentences below. 1. The boy stood on the benches. They wanted to get a better view. 2. We lower the volume of the radio. We don’t want to bother our neighbours. 3. I’ll write to you. I want you to know my decision soon. 4. These men were talking in whispers. They didn’t want anyone to hear their conversation. 5. The boy feigned to be sick. He hoped we didn’t make him work. IV. Use SO or SUCH. 1. The sun shone brightly that Maria had to put on her sunglasses. 2. Dean was a powerful swimmer that he always won the races. 3. There were few students registered that the class was cancelled. 4. We had wonderful memories of that place that we decided to return. 5. We had good a time at the party that we hated to leave. V. Supply either BECAUSE or BECAUSE OF as appropriate. 1. It was difficult to deliver the letter the sender had written the wrong address on the envelope. 2. We decided to leave early the party was boring. 3. Rescue attemps were temporarily halted the bad weather. 4. Paul may not go to the football game his grades. 5. They visited their friends often they enjoyed their company VI. Combine each pair of sentences below, using the conjunction given in parentheses. 1. He is very rich. He isn’t happy. (although) 2. He is very rich. He isn’t happy. (no matter) 3. She can’t answer my question. She is very intelligent. (although) 4. She can’t answer my question. She is very intelligent. (no matter) 5. He does anything. He is always careful. (whatever) VII. Supply the correct verb forms. 1. We would rather (stay) home tonight. 2. Mr Jones would rather (stay) home last night. 3. We would rather (drink) coffee than tea. 4. The photographer would rather that we (stand) closer together than we are standing. 5. Carmen would rather (cook) for the entire family.