Giúp em vơi. Em đang cần gấp. Em cảm ơn nhiều 🥺

Cho `a, b, c` là độ dài ba cạnh tam giác tm `a+b+c=3`. CMR: `a^2+b^2+c^2+3abc>=2 (ab+bc+ca)`

Các bn giúp mk vs Lm ơn:(( Hứa vote 5*, CTLHN

Hãy trình bày những đặc điểm tự nhiên của châu Á . Mình hứa sẽ vote 5 sao cho ạ

vieết 1 đoạn văn ngắn bày tỏ thái độ của em khi trứng kiến những thủ đoạn tham độc của thực dan pháp và pháp xít nhật đối vs nhân dân đông dương nói chung và nhân dân việt nam nói riêng các bạn chả lời hộ mk nha

Find out and correct the mistake: I am sad because I don't know what is her name.

Mark the letter A, B, c or D to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions 1. A. certain B. maintain C. mainly D. mermaid 2. A. charity B. checkup C. chimpanzee D. character Mark the letter A, B, c or D to indicate the correct answer to each of the following questions. 3. A. promote B. confuse C. rescue D. compose 4. A. average B. instruction C. dominant D. decorate Mark the letter A, B, Cor D to indicate the word that differs from the other three in the position of primary stress in each of the following questions. 5. They_____ supper when the telephone rang. A. had B. have had C. were having have been having 6. You all know that you_____ leave the room before the end of the test A. don’t have to B. haven’t to C. needn’t D. mustn’t 7. ______, we would go swimming A. If today is Sunday B. If today were Sunday C. Unless to day was Sunday D. Unless today would be Sunday 8. Workers who do not obey the safety regulations will be_____ A. refused B. disagreed C. disapproved D. dismissed 9. The teacher didn’t seem to be happy about our tasks,_______? A. didn’t they B. did they C. didn’t he D. did he 10. Have you ever considered_____to another school? A. moving B. to move C. to have moved D. having been moving 11 .The government has decided to send more_____ to the central provinces. A. charity B. aid C. collections D. donations 12. With more women going out to work, men will no longer be the_____ figures in the family. A. central B. middle C. dominant D. dramatic 13. The film gives us_____ insight into life in the Amazon jungles. It's worth seeing. A. valuable B. valueless C. value D. evaluate 14. There were two small rooms in the beach house, _____. A. the smaller of which served as a kitchen B. the smaller of them was served as a kitchen C. the smallest of which served as a kitchen D. smallest of that was served as a kitchen Mark the letter A, B, Cor D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions. 15. Mr. Brown's new garage was not wide enough for the camper van to fit in. A. old enough B. so big C. very long D. toonarrow 16. We got to the beach after 2 hours traveling by bus. A. left B. reached C. welcomed D. swam Mark the letter A, B, Cor D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions. 17. Jane says she is going to get married with a wealthy businessman. A. famous B. poor C. mean D. positive 18. Human beings have launched many man-made satellites into outer space. A. special B. enormous C. natural D. expensive

Giúp em 5 câu này với ạ:< giải càng chi tiết càng tốt😿

Giúp e 2 câu này với ạ. Em không rõ làm sao ra được 2 câu chốt cuối ạ

giúp mik với .mik đánh giá 5 sao