anh chị giúp e mấy câu này vs a kèm theo giải thích vơi ạ

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Giúp mk nhé! Mk cần gấp lắm. Cảm ơn các bạn

Trong đoạn trích trên ,dấu ngoặc kép được dùng để làm gì trong bài thơ chiếc lược ngà từ ''Không ao lâu sau ...... phàn nào tâm trạng của anh''

Cho `a,b,c > 0` Chứng minh rằng : `P = a^2/(a^2 + (b+c)^2) + b^2/(b^2 + (c+a)^2) + c^2/(c^2 + (a+b)^2) ≥ 3/5`

II. Complete sentences, using the words given. 6. He/find/make/robots/interesting. => _____________________________________________________ 7. People/find/do/exercise/good/health. => _____________________________________________________ 8. Interviewees/find/nervous/answer/question. => _____________________________________________________ 9. you/find/her/friendly/person? => _____________________________________________________ 10. Footballers/Adidas/best/brand. => _____________________________________________________ III. Give the correct form of the word given to complete the sentence 1. I like reading books because it ___________ my knowledge. (WIDE) 2. Reading books can also develop our ___________. (IMAGINE) 3. You should choose a hobby because it will give you ___________ and help you relax. ( PLEASE) 4. Model marking is a ___________ ways of spending time. (WONDER) 5. A ______________ is someone who enjoys watching birds. (BIRDWATCH) 6. A hobby is an ______________ that you do for pleasure. (ACT) 7. I think collecting glass bottles is ______________. (USUAL) 8. Rossie has a large ______________ of dolls. (COLLECT) 9. Did you vote in the last ___________ ? (ELECT) 10. Running after that thief was very ___________ of you! (COURAGE) 11. All four of my grandparents are still ___________. (LIVE) 12. I think were all in ___________ that something must be done about the problem. (AGREE) 13. Should I write “British” or “English” as my ___________ ? (NATION) 14. That girl can use leaves to make ___________ sounds. (MUSIC) 15. You can use carved eggshells as ___________ in your house. (DECORATE) 16. Hoa is very ____________ and she paints very well. (CREATE) 17. ______________ eggshells are unique gifts for family and friends. (CARVE) 18. My sister’s hobby is ______________.She took a lot of nice photos. (PHOTO) 19. It can be very difficult for ______________ when they leave prison and go back into the community. (PRISON) 20. We’ll only have real ___________ when women earn as much money as men. (EQUAL) 21. You looked so_______________ when you fell asleep on the sofa. (PEACE) 22. I find woodcarving

dạo này chán wá .... vẽ 1 cặp anime i nhận tranh cũ ... nl: ai FA hong làm ny tui kím bẹn kb face lun :>>>

giúp tôi với các bạn ơi, tôi đăng 2 lần r, 30đ

ai giúp em bài này với ạ em cảm ơn

Chứng minh: 1 + $\frac{1}{2²}$ + $\frac{1}{3²}$ +$\frac{1}{4²}$ + ... + $\frac{1}{100²}$ < 2