Đề bài: Kể về một việc tốt mà em đã làm. Giúp mình với

phân biệt các lọ mất nhãn :MgCl2,HI,HCl,BaCl2

28. The teacher gave us a lot of presents. We 29. His parents made him study hard for the exam. He 30. Poets have mentioned the ao dai in poems. The ao dai 31. Some fashion designers have printed lines of poetry on the ao dai. Lines of 32. Some fashion designers have added the symbols to the ao dai. The symbols 33. They have built two department stores this year. Two department 34. No one has seen Mary since 3 o’clock. Mary 35. Trang has just won the first prize The first 36. People have used the Internet for education in recent years. The Internet 37. Famous engineers have designed the washing machine The washing

18. Lan and Maryam visited Ho Chi Minh’s Mausoleum in Ha Noi. Ho Chi Minh’s 19. Lan took Maryam to Hoan Kiem Lake. Maryam 20. Many university students wore jeans in the 1960’s. Jeans 21. Liz took a lot of photos last week. A lot of 22. Jack cleaned the windows last week. The windows 23. They did the work excellently. The work 24. Earthquakes killed a large number of people in 1995. A large number 25. Did people make jeans two hundred years ago? Were jeans 26. She cut the cake cleverly. The cake 27. Christopher Columbus discovered America. America

Tìm GTLN của hàm số y= $\frac{\sqrt{x-1}}{x}$ với x $\geq$ 1

Trả lời giúp mình ạ Mình cảm ơn

8. All Jewish people celebrate Passover in Israel. Passover 9. We often see a lot of water here. A lot of 10. Sleepy drivers often cause accidents. Accidents 11. The zoo keepers feed the animals twice a day. The animals 12. He always finishes the exercises on time The exercises 13. Hoa spends a lot of money on clothes. A lot of 14. Mr John keeps a large collection of medals. A large number 15. Ronaldo wins the gold ball of Fifa. The gold ball 16. My mother buys a lot of things at this supermarket. A lot of 17. The beauty of the city really impressed Maryam. Maryam

viết một câu liên quan về disadvantage of living in the city có chứa cum" HIGH COST OF LIVING"

tìm số tự nhiên n để phân số a=8n+193/4n+3 A) Là phân số tối giản B) Với giá trị nào của n trong khoảng từ 150 đến 170 thì phân số A rút gọn được

cho biết kết quả của đoạn chương trình: i:=5; S:=0; While i>0 do Begin If i mod 3=0 then S:=S+i; i:=i+1; end; Write(S);