a,l3x-1l+2=3x+4 b,lx-1l+lx+2l-2lx-3l=2005

tinh bang cach thuan tien nhat 0,8x96+1,6x2

Hoàn thành các phương trình sau

Giúp với ạ!! 1) Cho hai điểm A(- 1;4) B(5;-2)và vectơ u=(1;-2) a) viết phương trình tham,số phương trình chính tắc (nếu có) đường thẳng d qua A và song song vecto u. Tìm hệ số góc của d. b) Viết phương trình tham số,phương trình chính tắc(nếu có) đường thẳng delta qua hai điểm A và B.

Giúp mình câu trắc nghiệm Cảm ơn nhìu

1/ We can solve this problem ourselves. This problem…………………………………………………………………. 2/ You do not have a sister.”What do you wish? “ I wish…………………………………………………………………………. 3/ “ I have to do my home work “ Nam said to me.  Nam said……………………………………………………………………… 4/ People produce million tons of garbage evert year.  Million tons of garbage……………………………………………………… 5/ Ao dai is both traditional and fashionable.  Aodai………………………………………………………………………….. 6/ Dalat was very beautiful. They wanted to go there again.(using: so) …………………………………………………………………………………………………………………………………… 7/ I have to do my home work. I can’t go to the cinema with you.(using: so) …………………………………………………………………………………………………………………………………… 8/ You do not have a sister. What do you wish? .I wish…………………………………………………………………………………………… 9/ ‘’ Where do you live ‘’ He asked Nam.  He asked Nam………………………………………………………………………………………

giúp mình với ạ 1.Tại sao hào kiệt khắp nơi tìm về Lam Sơn hưởng ứng cuộc khởi nghĩa? 2.Trình bày tóm tắt diễn biến cuộc khởi nghĩa giai đoạn 1418-1423? 3.Khởi nghĩa Lam sơn thắng lợi có ý nghĩa lịch sử như thế nào?

khi đi xe đạp trời nắng không nên bơm căng lốp xe vì : a. lốp xe bị xuống hơi b. 1 lí do khác c. ảnh hưởng vành xe đạp d. lốp xe dễ bị nổ

1. I …….…on a farm when I was a young boy a. use to live b. used to living c. used to live d. am used to living 2. Because her mother went out, Lan cooked the dinner ………. a. him b. herself c. himself. d. his 3. I enjoy …………….. to music. a. listening b. listen c. to listen d. listens 4. Could you ……….. me a favor ? a. do b. make c. ask d. said to 5. I was born …….. March 11th, 1978 a. at b. in c. on d. of 6. People …………. with tradition by getting married quietly a. ended b. broke c. took d. disconnected 7. We walked in ……… to the capital. a. group b. crowd c. line d. procession 8. We don’t have many carnivals in Viet Nam; ……….., we have many traditional festivals. a. nevertheless b. while c. although d. because

I. Choose the correct word 1.The hotel _____( where/when/which) we stayed wasn't very clean. 2.I don't know the reason ______(when/which/why ) you didn't go to school. 3.I don't know the time _____(where/when/why) she will come back. 4.Do you still remember the day ______(on which/which/in when) we first met? 5.I still remember the moment ___(on which/at which /which)he looked at me and smiled. 6.his is the restaurant _____(in which / which/when) we ate Chinese food for the first time. 7. Was that the time………….(where/when/why)Julie went on a business trip? 8 This is the reason…………..(why/what/when) I never invite them to my birthday party. 9. The park is a place………….(when/where/which)you can do exercises every morning. 10. That is the bedroom………… ( where/which/who) I sleep with my sister. II.Combine these pairs of sentences using Relative Pronouns: 1. He worked for a woman. She used to be an artist. _______________________________________________________________ 2. They called a doctor. He lived nearby. _______________________________________________________________ 3. I wrote an email to my sister. She lives in Italy. _______________________________________________________________ 4. Linh liked the waiter. He was very friendly. _______________________________________________________________ 5. We broke a car. It belonged to my uncle. _______________________________________________________________ 6. Ba dropped a cup. It was new. _______________________________________________________________ 7. Nam loves books. They have happy endings. _______________________________________________________________ 8. I live in a city. It is in the north of Vietnam. _______________________________________________________________ 9. The man is in the class. He is wearing a blue hat. _______________________________________________________________ 10. The woman works in a hospital. She is from India. _______________________________________________________________ 11. My sister has four sons. She lives in Japan. _______________________________________________________________ 12. The man was rude. He was wearing a red shirt. _______________________________________________________________ 13. The phone is on the table. It belongs to An. _______________________________________________________________ 14. The TV got broken. It was my grandfather’s. _______________________________________________________________ 15. The radio was stolen. It was bought 35 years ago. _______________________________________________________________ 16. The girl gave Binh his phone. She is his daughter _______________________________________________________________ 17. This is the laptop. My mother has just bought it. _______________________________________________________________ 18. That’s the man. His car is a Ferrari. _______________________________________________________________ 19. I know the woman. She lives upstairs. _______________________________________________________________ 20. It’s the dog. I always talk to him at night. _______________________________________________________________