chứng minh biểu thức 0 phụ thuộc vào biến `(x-2)^3+6(x+1)(x-3)-(x-2)(x^2+2x+4)`

1.Work hard, or you will fail, the exams. => If you ..... 2. One of Mary's interests is playing basketball at the weekend. =>Mary is.... 3. They usually decorate their house beautifully at Christmas. =>Their house.... 4. We can get to the art gallery in half an hour. => It only...... 5. They didn't go,çamping yesterday because it snowed heavily. => Because of ...

Nung 39,5 gam KMnO4 sau một thời gian thì thu được 2,24 lít khí oxi(đktc).Tính hiệu suất phản ứng

Trên tia Ox lấy hai điểm A và B sao cho OA = 8cm; OB = 3cm a) Tính AB b) Trên tia đối của Ox lấy điểm C sao cho OC = 2cm. Tính BC c) Điểm B có phải là trung điểm của AC không. Vì sao

cho 1/c=1/2x(1/a+1/b). Chứng minh a/b=(a-c)/(c-b)

`(x+1)^3-(x-1)^3-6(x-1)^2=-10` tìm x

Viết một đoạn văn miêu tả lọ hoa trên bàn. Cô giáo có sử dụng động từ, cụm động từ. Gạch chân động từ, cụm động từ đó GIÚP MK NHA MK ĐAG CẦN GẤP 1H PK NỘP RÙI CẢM ƠN TRƯỚC

Ba's village lies next to a river and a mountain. After testing for lunch, they visited Ba's uncle in the village. Liz had a chance to enjoy fresh tea and fruits here. Then they walked up the mountain to visit a shrine on the top. Late in the afternoon, they walked down and went picnicking on the bank and boating in the river. Liz took a lot of photos to show the trip to her parents. I.Read the text and choose T or F statements (1.0pt) ……… 1.Ba s village lies next to a river and a mountain. ………… 2. They walked on the beach. ………. 3.They saw a shire on the top. ………. 4. Liz took a lot of photos to show the trip to her friends. II.Read the text and answer the questions. (1,5pts) 1. Where is Ba's village? ->…………………………………………………………………………………………… 2. Did Ba visit his uncle? ->……………………………………………………………………………………………. 3. What did they see on the mountain? ->…………………………………………………………………………………………… 4. Where did they go boating? >……………………………………………………………………………………………. 5. What did Liz do to show the trip to her parent? ->…………………………………………………………………………………………… 6.Did they enjoy the trip? ->……………………………………………………………………………………………

Chỉ có hai bài này thôy ạ Giúp với

Mọi người ơi làm ơn giúp mình với Write the correct form of the words in bracket. 1. His............. to the Internet is taking over his life. (addict) 2. Who lives more happily, ............... or city dwellers? (nomadic) 3. Children in rural areas often travel to school................ than those in big cities. (far)