anh chị giải nhanh giúp em với hứa vote

lẹ ik bà con. Nhanh em nộp bài nhoa

mọi người kệ cái dấu chấm đỏ đi (e mình nghịch thôi)

cách chuyên gia ơi helppppppppppppppp -Hoàn thành các pthh theo các dãy chuyển hóa sau: a) Na ( Na2O( NaOH ( Na2SO3( BaSO3 ( SO2( Na2SO3( Na2SO4 ( BaSO4 b) S ( SO2 ( H2SO4 ( CuSO4 ( FeSO4 ( Fe2(SO4)3 ( Fe(OH)3 ( FeCl2 ( FeCl3 ( AgCl ( Cl2

Em đang cần gấp lắm nên em mong mọi người giúp đỡ em ạ

$Chứng minh rằng: (10a + 5)^2 = 100a . a(a + 1) + 25$ Từ đó em hãy nêu cách tính nhẩm bình phương của một số tự nhiên có tận cùng bằng chữ số 5. $Áp dụng để tính: 25^2; 35^2; 65^2; 75^2$

Chuyển sang câugiántiếp 1. “You shouldn’t drink too much coffee at night,” said Bob. -> Bob advised……… 2. “Don’t be late for class again, Jim.” -> The teacher asked……………… 3. “Go out for dinner with us tonight?” -> Mary ……………….. 4. “Don’t forget to water the flowers for me, Tom”. -> Tom’s mother …………… 5. “Don’t worry about my paint.” -> He …………………. 6. “Don’t touch the hot pot.” -> Bill warned me……………… 7. Joe said, “Please come to my party.” -> Joe ………………… 8. “Go home with me,” hesaidto us. ……………………………………………….. 9. “Don’t forget to clean your teeth,” said Granny to Helen. ……………………………………………………… 10. “Please bring me some fish soup,” he said to the waitress. ………………………………………………………….. 11. “Don’t open your books,” the teacher said to the pupils. ………………………………………………………….. 12. “Do your homework!”She said to me --> ………………………………………… 13. “Go to bed!” she said to her son --> She………………………………………… 14. “Don’t be late!”. My mother said to me --> ………………………………………… 15. “Don’t smokehere !” she said to him --> ………………………………………… 16. “Tidy your room!” --> ………………………………………… 17. “Wait for us here!”- They said to him -> ………………………………………… 18. “Don’t let your children play in the kitchen !”- She said to him -> ………………………………………… 19. “Eat your dinner!”- She said to her niece -> ………………………………………… 20. “Do the washing-up!” Mrs. Smith said to her daughter --> …………………………………………

I: Find the word which has different sound in the underlined part in each line. 1. A. twenty B. happy C. by D. early 2. A. what B. why C. who D. when 3. A. books B. stops C. opens D. works 4. A. wanted B. needed C. decided D. stopped II: Choose the best answer A, B, C, or D. 1. Nam enjoys …………… his homework in the morning. A. doing B. to do C. am doing D. does 2. My dad doesn’t mind…………… my mom from work every day. A. pick up B. picked up C. picking up D. picks up 3. Nam doesn’t like ………………. Soccer every day. A. play B. plays C. playing D. played 4. Does she fancy …………… a book to the younger children? A. reads B. reading C. to read D. read 5. My parents enjoy …………… on Sundays. A. garden B. gardening C. gardened D. gardens 6. They love ……………with their friends. A. eat out B. ate out C. having eaten D. eating out 7. I prefer …………… people. A. text B. texting C. texted D. texts 8. My father detests …………. play soccer in the morning A. playing B. played C. to play D. plays

Mọi người giúp đỡ em em câu này với ạ 5h là em nộp bài rồi ạ

Bài 10: Tìm số nguyên x để biểu thức nhận giá trị nguyên b) 2x-1/x-2