1oto khỏi hành từ A lúc 6 h nó đến B sau 2 h chuyện động vào sau 3 h nữa nó đến C xát định những thời điểm mà ở A,B và C .trong những điều kiện sao a) chọn gốc thời gian lúc Oh

III. Use the correct form of the word given to complete each sentence 11. There has been a............................. (reduce) of 10% in the amount of the money available for buying the new books. 12. The alpine ...................... (land) is very dramatic. 13. Women who are slimming can never enjoy a meal without being afraid of ........................ (organize) their diet. 14. She always listens ...........................(attention) to what she is told. 15. He was........................... (information) of the consequences in advance.

chứng minh giá trị biểu thức sau ko phụ thuộc vào giá trị x (x^2+y^2)(y-x)(y+x)-(y^4-1)+x^4

III. Use the correct form of the word given to complete each sentence 6. English and French are …………………languages. (office) 7. America's …………………production fell for the fourth successive month. (industry) 8. How can we make the subject more………………… to young people? (interest) 9. Many parents opposed the…………………of the classes into different sets. (divide) 10. Mathematics is an…………………subject at school. (compete)

Put the verb in brackets into the correct tense. Write the answers in CAPITAL letters. The first round-the-world sailor Captain Joshua Slocum was the first person who successfully (0) sailed (sail) around the world alone. Between 24th April 1895 and 27th June 1898, Slocum ... (travel) over 74 000 km in a boat called Spray, crossing the Atlantic, Pacific and Indian Oceans. Before Slocum set off on his voyage, it ..... (take) him thirteen months to rebuild his boat. He invented a way of fixing the boat’s wheel so that it didn’t go in the wrong direction while he was asleep. Slocum wrote a book about his adventures, called Sailing Alone Around the World, which .....(publish) in 1900. Since then, Slocum’s story ...... (become) one of the most famous adventures in the history of round-the-world sailing. However, we don’t know how Slocum’s life story ended. In 1909, while he .......(sail) to the Caribbean, he disappeared and was never seen again.

Cho hình thang ABCD (AB // CD). Gọi E, F, K lần lượt là trung điểm của AD, AC, BC. a) Chứng minh EK // CD b) Chứng minh E, F, K thẳng hàng. (giúp mình với :3)

III. Use the correct form of the word given to complete each sentence I. First …………………can be misleading. (impress) 2. I enjoy working there. everyone is so………………… (friend) 3. The. editor welcomes…………………from readers on any subject. (correspond) 4. Some people have no…………………beliefs. (religion) 5. By the age of eighteen he was completely………………… of his parents. (depend)

Mình vote 5 sao cho lm nhanh hộ mình

9x = 5y; 2x = z với x + 3y - 2z = 36

chứng minh giá trị biểu thức sau ko phụ thuộc vào giá trị x (x-3)(x+3)(x^2-9)-(x^2-3)(x^2+3)