a 4 chia hết ( x-1) b 15chia hết (2x+1) c (x+9)chia hết (x+3) d (3x+5)chia hết (x+1) tìm x nhé ai xong đúng mình tick

tác giả đã sử dụng nghệ thuật gì để làm nổi bật bối cảnh khơi nguồn cảm xúc? (trong văn bản Tôi đi học)

Ex2: Circle the best answer (A, B, C, or D ) to complete the sentences. Do 1. Wear ___________ clothes, or you’ll have a cold. A. less B. more C. much D. a little 2. John is putting on weight, ___________ he still eats a lot of high-fat food. A. but B. so C. and D. or 3. Americans eat a lot of _____________, so most of them are overweight. A. vegetables B. milk C. junk food D. fresh fish 4. Lam had a ___________ because he stayed in the sun too long. A. headache B. cough C. cold D. tired 5. Watch _________ TV as you have homework today. A. less B. more C. much D. a little 6. You shouldn’t eat too many sweets, ____________ you will have toothache. A. but B. so C. and D. or 7. Mr. Manh cannot stand up straight because he has a/an ___________. A. allergy B. flu C. backache D. earache 8. Mai keeps sneezing and coughing. I think she has _________. A. sick B. tired C. flu D. sunburn 9. I have difficulty swallowing food because I have _____________ Â A. sore throat B. cough C. headache D. temperature 10. In order to have good _________ , you should eat lightly and laugh cheerfully. A. healthy B. health C. healthily D. shape 11. He eats a lot of burger and chips, so he is putting on __________. A. weigh B. fat C. weight D. weighing 12. He is very hot. I think he has ___________. A. sore throat B. cough C. headache D. temperature 13. She ate a lot of seafood yesterday. Now, she feels _______________ . A. cold B. happy C. sick D. stomachache 14. Eat less high-fat food to keep you from ___________ fat. A. get B. to get C. got D. getting 15. How many calories do you use __________ aerobics for 2 hours? A. do B. doing . did D. to do CÁC BẠN GIÚP MÌNH VỚI MÌNH CẢM ƠN HỨA SẼ VOTE VÀ TIM NẾU TRL ĐẦY ĐỦ VÀ ĐÚNG.CÓ GIẢI THÍCH HAY KHÔNG CX ĐƯỢC

phân tích thành nhân tử (x-y)^3+(y-z)^3+(z-x)^3

cho mình hỏi từ dòng "_" sao ra "_" vậy ạ

Biết 2,479 lít khí CO2(25oC, 1bar) phản ứng vừa đủvới 200 ml dung dịch Ba(OH)2, sản phẩm là BaCO3(kết tủa trắng) và H2O a)Viết PTHH b)Tính nồng độmol của dung dịch Ba(OH)2đã dùng c)Tính khối lượng kết tủa thu được

giúp mình với các bạn bài khó quá ạ

Giải giúp mik vs ạ mai mình kt r ạ

EX5. Hoàn thành câu với những động từ cho sẵn ở thì quá khứ đơn (thể khẳng định hoặc phủ định). disturb ; put ; like ; be ; hold; have; decide ; sleep ; stay; cost. 1. It was freezing outside, so I ___________ on my coat. 2. My mother was very busy yesterday, so I ___________ her. 3. Yesterday was Mary’s birthday but she ___________ a party. 4. We were exhausted, so we ___________ to leave the party early. 5. The bed was very uncomfortable. Tim ___________ well. 6. The musical wasn’t very good. I ___________ it much. 7. The restaurant wasn’t very expensive. It ___________ much to have dinner there. 8. I had to look after my little sister yesterday, so I ___________ time to call you. 9. It ___________ hard to lift the boxes. They weren’t very heavy. 10. It was raining heavily, so I ___________ in. Nhanh nha

Biết 2,479 lít khí CO2(25oC, 1bar) phản ứng vừa đủvới 200 ml dung dịch Ba(OH)2, sản phẩm là BaCO3(kết tủa trắng) và H2O a)Viết PTHH b)Tính nồng độmol của dung dịch Ba(OH)2đã dùng c)Tính khối lượng kết tủa thu được