tìm x thuộc z biết (x+1)+(x+2)+...+(x+9)+(x+10)=5

which university do you want to study after upper secondary? Giúp mình với ạ

Hỗn hợp khí A chứa etilen và hidro . Ti khoi A so voi H2 là 3,6 .dẫn A qua chất tiếp xúc Ni nung nóng thu được hỗn hợp khí B .Trong B thì c2h4 chiếm 7/9 thể tích a/ tính hiệu suất pứ cộng H2 b/ Tính tỉ khối B so với A

Cho ba số a,b,c thỏa mãn a + b + c = 0. Hãy so sánh ba số: A=a(a+b)(c+a); B=b(b+c)(a+b); C=c(c+a)(b+c)

Nêu ảnh hưởng của vị trí địa lí đến việc hình thành môi trường tự nhiên của nước ta ?

EXERCISES FEBRUARY 3RD 1. Choose the word whose underlined part is pronounced differently from the others. 1. A camp 2. A. capital 3. A. inereased 4. A. loch 5. A. brigade B. language B. scenic B. provided B. schedule C native C. Scotland C. haunted C. Freuch C. liberty D. accent D. içonic D. founded D. chaos D. jcon B. kilt facts II. Choose the word whose main stress pattern is placed differently. B. Canadian B. symbolize B. trainee B. festivity B. legendary 1. A. American 2. A. momnment C. Australian C. attraction C. unique C. traditional C historic D. Portuguese D. spectacle D. parade D. geography D. iconic 3. A. natural 4. A. territory 5. A. official III. Fill in each blank with an appropriate word. the United Kingdoum It's a smal beautiful beaches im the Wales is one of the countries (1) country with England to the east It has some of the (2) UK and is a popular destination for holidaymakers and water sports fans. As (3) as beaches, there are a lot of mountans and also three national parks, including Snowdomia It is in north Wales and (4) highest mountain, Snowdon, is 1.085m. of Wales is just over three million people, around five percent o The (5) the total UK population. Most Welsh people live in South Wales in the (6) Cardiff, aud two other big cities: Swansea and Newport. In Cardiff you can go shopping city (7) Millennium Stadium. the castle, go to the museum or go to a concert or sports mateh at the famou see dragons everywhere! Not real ones of Wales. Other (10 If you ever go to Wales, you (8) of course, but a red dragon appears on the national (9) of Wales include the leek (a long, green vegetable) and the daffodil (a white o yellow flower). IV. Choose the best answer A, B, C or D to complete the sentence. a different accent. 1. Residents from Liverpool speak English В. as C. on D. under A. with a summer camp. 2. Last summer. Mike spent two weeks В. in D. at C. on A. for 3. The inhabitauts of Scotland are called B. Scotlish D. Scotchs speakers. C. Scots A. Scotlanders 4. Her English accent is so good that she is thought of as a B. official D. native C. non-native A. natural

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