Bài 5: Chứng minh rằng với mọi số tự nhiên n thì n(n+1):2

Dẫn chứng đề lá lành đùm lá rách, k copy

IX. Rewrite the following sentences. 1. Jane cooks better than her sister -> Jane's sister ............................................................................................................. 2. Tom is the best football player in this team -> Nobody in this team ............................................................................................... 3. Nothing is faster than the speed of light -> The speed of light ................................................................................................... 4. Jack is younger than he looks -> Jack isn't ................................................................................................................. 5. I didn't spend as much money as you -> You ......................................................................................................................... 6. Quang is lazier than Ha. (hard-working) ........................................................................................................................................................ 7. A city is noisier than a village. (peaceful) ........................................................................................................................................................ 8. There’s a post office on on side of my house and a café on the other. (between) ........................................................................................................................................................ 9. Please tell me something about your neighbourhood. (Can) ........................................................................................................................................................ 10. Oranges are cheaper than apples. (expensive) ........................................................................................................................................................

Vẽ miku ko/có màu tuỳ VOCALOIDv²

gải giùm me .

Cân bằng các phương trình sau theo phương pháp cân bằng đại số 1,cu +h2so4 đặc ,nóng→cuso4+so2+h2o 2,cu+hno3 đặc ,nóng→cu(no3)2 + no2+h2o 3,cu+hno3→cu(no3)2+n2o5+h2o 4,zn+h2so4→znso4+so2+h2o 5,al+h2so4→al2(so4)3+so2+h2o 6,al+hno3→al(no3)3+no+h2o 7,cu+hno3→cu(no3)2+no+h20

Calli: Covid-19 Tone màu xanh lá nhạt , đậm Có thể trang trí hoặc không trang trí Vẽ trên app

36 . {600 : [426 . 1 – (81 + 35 . 7)]}

helppppppp Do 4và1/4 / 2và 7/8 = x / 1,61

VIII. Read the passage and answer the questions. (1.0 m) Hi! My name is Minh. My future house will be on the ocean. It will be surrounded by tall trees and blue sea. There will be a swimming pool in front and a large flower garden behind the house. There will be a helicopter on the roof so that I can fly to school. My future house will have solar energy. There will be some robots in the house. They will help me do the housework and do my homework. I will have a super smart TV in my house. It will help me surf the Internet and contact my friends on other planets. 1. What will Minh’s future house be surrounded? ->……………….............................................................................................. 2. What will there be behind the house? ->………………................................................................................................ 3. Will the house have solar energy? ->………………............................................................................................... 4. What will the super smart TV do? ->……………….............................................................................................. help me plssss