Các cao nhân làm nhanh giúp em ạ ! Ai lm nhanh em vt 5* và ctlhn nhé ạ

Giải giúp em với đang cần gấp ạ

ai làm giúp em vs 5p nx em nộp r ạ

Exercise 6: Choose the correct words in the following sentences. 1. He doesn’t have (many/ much) money. 2. I would like (a few/ a little) salt on my vegetables. 3. She bought (many/ much) cards last night. 4. There are (less/ fewer) boys in this class than in the next class. 5. There is (too many/ too much) information to learn. 6. Would you like (less/ fewer) coffee than this? 7. This jacket costs (too much/ too many). 8. I don’t want (some/ any) eggs but I want (any/ some) cheese. 9. Is there (some/ any) water in the glass? 10. (How much/ How many) pounds of butter does she want? 11. (How much/ How many) butter does she want? 12. Is there (some/ any) tea in the cup? 13. Peter doesn’t want (something/ anything) to do. 14. I can speak (a few/ a little) English. 15. They don’t need (some/ any) coffee. 16. I can’t buy that house because I have (few/ little) money. 17. I can drink (a few/ a little) wine. 18. Give me (a few/ a little) examples. 19. Every seat in the theater last night (was/were) taken. 20. There are (less/fewer) boys than girls in this class. 21. I don't want (some/any) eggs but I want (some/any) cheese. 22. This jacket costs too (much/many). 23. There (are too many/is too much) traffic on the street at rush hours. 24. He bought (much/many) furniture for her new apartment which she has bought recently. 25. Did you take (any/some) photographs when you were on holiday?

Số phần tử của tập hợp : A = { k ² = 1 / k ∈ Z , trị của k ≤ 2 }

Mong mọi người giúp đỡ nhanh nhất có thể

giúp mình với đang cần gấp dấu nghề ok

mn giup iem vs ạ, cần gấp lắm ạk

Ví dụ: 2 + 4 + 6 + 8 + ... + 100 Giải: Số các số hạng của tổng là: (100 – 2) : 2 + 1 = 50 (số hạng) Tổng đã cho bằng: (2 + 100). 50 : 2 = 2550 Vậy 2 + 4 + 6 + 8 + ... + 100 = 2550 Bài tập vận dụng 2 + 4 + 6 + 8 + ... + x = 10 302. Tìm x 1 + 4 + 7 + 10 + ... + y = 1717. Tìm y

-1/2-2(-1/2)^2+1/5+1/5+25(-1/5)^2