Ai rảnh giải gấp giúp mình với ạ cảm ơnn

bài 1: 1)x^6-x^4+2x^3+2x^2 2)x^3(x-3)^2-(x-3)^2-x^2+1 3)x^3-2x^2+4x-8 4)x^3-2x^2+4x-8 5)(x+y)^3-(x-y)^3 hứa vote 5 sao cho mn giúp em ạ

Các bn lm cho mk bài này vs! Mk cảm ơn ạh!

Work in groups. Think of some activities (such as listening to music, playing basketball or going shopping) and make a table like the table in 2. One student in the group asks the other group members about the frequency they do these activities while another student in the group records the answers Cấm chép mạng

Calli : Cô đơn Hãy nói một từ diễn tả tâm trạng của bạn bây giờ ? t trước : buồn bã :< @Young

Ai rảnh giải gấp giúp mình với ạ cảm ơn

So sánh a=1/2+1/6+1/12+1/20+1/30+...+1/90

Bảng 1 cho biết độ tăng thể tích của 1 000 cm khối một số chất lỏng khi nhiệt độ tăng lên 50 độ c . Khi nhúng ba bình thủy tinh giống nhau chứa ba chất trên trong cùng một chậu nước nóng bình nào mực chất lỏng thấp nhất ?

giải hộ e bài này vs ạ ............

1. He spent lots of time doing this experiment. ………………………………………………………………………………………….. 2. It took me all the morning to prepare for lunch. ………………………………………………………………………………………….. 3. Anna spent three days visiting VN. ………………………………………………………………………………………….. 4. It took my son three years to study in this college. ………………………………………………………………………………………….. 5. I spend two hours doing my homework everyday. ………………………………………………………………………………………….. 6. They spent ten days painting this house. ………………………………………………………………………………………….. 7. She spent 2 days tidying her room. ………………………………………………………………………………………….. 8. We used to go to school in half an hour. ………………………………………………………………………………………….. ………………………………………………………………………………………….. 9. My sister often spends 30 minutes reviewing our lesson before class. ………………………………………………………………………………………….. 10. It took him twelve hours to fly from Hanoi to London. ………………………………………………………………………………………….. 11. It takes Jill 10 minutes to put on her makeup. ………………………………………………………………………………………….. 12. It took us three days to repair his car. ………………………………………………………………………………………….. 13. I will spend two weeks reading the new book. ………………………………………………………………………………………….. 14. A good chef spent an hour cooking this meal. ………………………………………………………………………………………….. 15. The flight to New York lasted six hours. ………………………………………………………………………………………….. Answer the following questions 16. How often do you go to the gym? (sometimes) ………………………………………………………………………………………….. 17. How often does the boy study in the library? (rarely) ………………………………………………………………………………………….. 18. How often did you get presents when you were a child? (frequently) ………………………………………………………………………………………….. 19. How often were you absent from your previous job? (never) ………………………………………………………………………………………….. 20. How often does she go to the dentist? (every month) …………………………………………………………………………………………..