các cậu phân tích số 374 ra thừa số nguyên tố

Cho tam giác ABC .Trên cạch BC lấy D và E ( D nằm giữa B và E ) sao cho BD= CE .Qua D và E vẽ DF và EH cùng song song với AB ( F và H cùng thuộc AC ) chứng minh DE + EH = AB

hãy trình bày suy nghĩ về câu sau : một năm khởi đầu từ mùa xuân một đời khởi đầu từ tuổi trẻ . Tuổi trẻ là mùa xuân của xã hội

Giúp mình viết thành 1 đoạn văn với những gợi ý của câu hỏi Đề: Think about a journey you made in the past. Answer these questions. Where did you go? Why did you go? How did you travel there? Did you have any problems? How long did the journey take?

I. Give the correct form of the following words 1. When I came , the whole family ( have ) .......... dinner around a big dining table 2. Children should ( take ) .......... things from adults with both hands 3. The girl ( cry ) .......... when a fairy appeared 4. They ( learn ) .......... English at the moment 5. We ( go ) .......... to Hung Kinh Festival since last Sunday 6. I ( go ) .......... go to school by bicycle every day 7. When I ( come ) .......... home from work , my mother was cooking dinner 8. He ( play ) .......... football when his mother came 9. Ba enjoys ( play ) .......... football in the morning 10. When I ( come ) .......... home from work yesterday , my father was watching TV II. Read the fairy tale Cinderella and do the tasks below Once upon a time there was a young girl called Cinderella. Cinderella was living happily with her family when her mother died . Her father married an evil widow with two daughters . Cinderella is stepmother and two stepsisters mistreated her . She had to wear old clothes and work hard while the sisters wore fance clothes and has fun . A good witch helped Cinderella . She turned Cinderella is old dress into a beautiful gown . Cinderella went to a party and a handsome prince politely invited her to dance with him . He fell in love with her and wanted to find out who she was . Cinderella left the party in a hurry and did not tell the prince her name . But she left a glass slipper , and the prince used that to find her . They got married and lived happily ever after 1. What did Cinderella is father do when his wife died ? 2. How did Cinderella is stepmother and two stepsisters treat her ? 3. Who turned Cinderella is old clothes into a beautiful gown ? 4. What did the prince use to find Cinderella ? 5. What happened in the end ? III. Rewrite the sentences as directed 1. Lan started studying English five years ago and she still studies it ⇒ Lan has ............................................................................................... 2. The sun was shining . It was not very warm ⇒ Although ............................................................................................. 3. Nam does not live with his parents any more ⇒ Nam used ............................................................................................. 4. Never talk with food in your mouth ⇒ You ....................................................................................................... 5. I like traditional dances better than modern ones ⇒ I prefer ................................................................................................

If you decide to take a trip, you will have to get ready a few months before the (2). You must be in excellent physical condition .You should run a lot, swim everyday, and do aerobics and push-ups. You must get a letter from the doctor that shows you are in perfect (3). Once you get on the trip, you will be in a (4)_ world. You will see pictures of the Earth. You may also find your country and other interesting places. You will be able to see the oceans, the big rivers, the tall mountains. You will be able to see them many times because you will ( 5) the Earth 16 times a day! You will also be able to see stars that you couldn't see (6) the Earth. When you are in orbit, you will be able to get out of your seat and walk in the cabin. You will be able to walk on the walls or on the ceiling like in a circus. You will not (7) anything! You will feel totally free and enjoy the wonderful feeling you have never had before. If you (8 ) on board now, you would experience those marvelous things. 1. A. marvelous 2. A. walk 3. A. knowledge 4. A. ancient 5. A. fly 6. A. by 7. A. eat 8 A. were B. harmful C. dangerous C. voyage C. intelligence C. different C. travel C. around C. weigh C. are D. terrible B. course D. flight D. wisdom D. mysterious D. go D. from B. health B. imaginary B. orbit B. in B. see D. know D. come B. sit TEST 23

- Vì sao phải bảo vệ hòa bình chống chiến tranh? - Nêu được ý nghĩa của các hoạt động bảo vệ hòa bình, chống chiến tranh đang diễn ra ở VN và trên TG - Nêu được cái biểu hiện của sống hòa bình trong sinh hoạt hằng ngày

cho các chất sau: Na2O, SO2, HCl, Ba(OH)2, Na2SO4, Fe, AgNO3, H2O. Những chất nào tác dụng được với nhau. Viết PTHH của các phản ứng xảy ra (nếu có)

17-22) Use the correct form of the words in parentheses: 17/ Mrs. Smith has 18/ There is a 19/ Drug 20/ How can we do to keep the environment 21/ provided a picnic lunch for us. ( kind) faucet in your kitchen. (drip) led to his early death. ( depend) (pollute) the Ao dai was frequently worn by both men and women. ( tradition) the Ao dai by printing lines of poetry on it.. (modern) 22/ Some designers

cho a+b =80 và ƯCLN(a,b)=20. Tìm a,b GIÚP MÌNH VỚI NHÉ!