Câu 1: a) (19 √200 - 3 √450 +2 √50) ÷ √10 b) √12- 3 √7 - √12+3 √7 Câu 2: Cho Q= ( 1/ √x - 1 - 1/ √x ) ÷ ( √x+1/ √x-2 - √x+2/ √x-1) a) Tìm ĐKXĐ b) Rút gọn c)Tìm x để Q > 0 Câu 3: Cho a) (5+2 √6 ) ( 49-20 √6 ) √5-2 √6 / 9 √3-11 √2 = 1 b) √6-2 √ √2+12+ √18-8 √2 là 1 số nguyên

Choose the word whose underlined part is pronounced differently from that of the other words. 1. A. Club B. Lamb C. Doubt D. Bomber 2. A. Disease B. Spread C. Breed D. Treat

41. The girl is very friendly. She lived next door to us. - The girl who_____________________________________________________________________. 42. “What is your name?” Mr. Brown asked me. - Mr. Brown asked me______________________________________________________________. 43. Learning English is very necessary. - It is____________________________________________________________________________. 44. Although his leg was broken, he managed to get out of the car. - In spite of his____________________________________________________________________. - In spite of the____________________________________________________________________. 45. If someone doesn’t put the coal in, the fire will go out. - Unless__________________________________________________________________________.

IV. VIết câu phủ định và nghi vấn. 1. Mai plays badminton after school. 2. I will be at home tomorrow night. 3. She is out at the moment. 4. We often have a picnic on weekends 5. They will go camping next week. 6. The students are sitting in class. V. Đọc đoạn văn sau đó trả lời các câu hỏi sau: Nga lives in the city with her parents and two brothers. She lives at 14 Nguyen Tri Phuong Street. Her telephone number is 38292374. On her next birthday, July 1st, Nga will be 14. She will have a small party for her birthday. She will invite some best friends to her house. They will eat pizza, fried chicken, cake and they will drink Coke. They will have a lot of fun. The party will start at five o'clock and finish at eight. 1. what's Nga address? 2.what's her telephone number? 3 how old is she now? 4 what's her dateof birth? 5 will she have a big party for her birthday? 5 who will she invite? 7. what will they eat and drink? 8 how long will the party last? VI. Dựa vào các dữ kiện của đoạn văn trên, hãy hoàn tất thiếp mời sinh nhật của Nga gởi cho Hoa. Dear (1) My birthday is on (2) and I am having a small birthday party.The party will be at my house at(3) from (4) to (5) . We will have(6) . Fried chicken, cake and we will drink(7) . We will have a lot of(8) at the party, too. I hope you will come and join the fun Love, Nga giúp mình với mình cảm ơn

Giúp mình vs mn ơi! Từ câu 3 đến 10 nha! Cảm ơn

a, Viết đoạn văn 10 câu nêu cảm nghĩ về Thánh Giong b, Trả lời các câu hỏi luyện tập phần Con Rồng Cháu Tiên , Thánh Giong

các bn giúp mk với, hứa vote 5* ạ

Tìm các cụm phrasal verb phù hợp với nghĩa ạ 1.từng làm gì: 2. có hại cho mắt 3. cố gắng, nỗ lực làm gì 4. chịu đựng 5. thật khó làm gì 6. chia tay ai 7. điều kiện tốt 8. tốt hơn nên làm gì 9. quyết định làm gì 10. gánh chịu làm gì ( nhanh nhất vote ctlhn nha )

He (3) (play)_____basketball and he (4) (go/ skateboard) _______quite a lot

Guips mình giải bài này với Biết sinx+cosx =7/5 tính cotgx