user-avatar
tranngocnd238
2 năm trước
B= 1/3x^2y+xy^2-xy+1/2xy^2-5xy-1/3x^2y Thu gọn đa thức sau
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

Choose the word or phrase among A, B, C, or D that best fits the blank space in the following passage. Maple Tree Trees have ………………….. (1) a meaningful role in the ………………….. (2) development of Canada and continue to be of commercial, environmental and aesthetic importance to all Canadians. Maples contribute valuable wood products, keep the maple sugar ………………….. (3) alive and have to beautify the landscape. Since 1965 the maple leaf ………………….. (4) the most important feature of the National Flag of Canada and the Maple three with the leaves has become the most well-known Canadian ………………….. (5) and nationally and internationally. Maple leaf pins and badges are proudly ………………….. (6) by Canadians abroad, and are recognised around the world. ………………….. (7) the maple leaf is closely associated with Canada, the map tree was never officially recognize ………………….. (8) Canada's emblem until 1966. 1. A. taken B. given C. done D. played 2. A. history B. historical C. historic D. historian 3. A. industry B. industries C. industrial D. industrially 4. A. was B. have been C. has been D. is 5. A. sign B. symbol C. tree D. leaf 6. A. wear B. wore C. worn D. to be worn 7. A. Because B. So C. But D. Although 8. A. of B. with C. as D. for

Fill each blank with a correct word to finish the passages. Australia is the 6th biggest country in the world. Only Russia, China, Canada ,USA and Brazil are …………………(1). It is the world's largest island. Even though the country is so big, it only has about 23 million inhabitants. 88% of all Australians …………………(2) in the big cities or smaller towns which makes big areas of the country empty. Australia lies in the …………………(3) hemisphere which means that the more south you go, the cooler it gets. In the north parts of the country, it is always hot. The …………………(4) of the country has really hot summers and mild winters. Snow only falls in the Australian Alps and in Tasmania. When we have …………………(5) in Europe and Asia, the Australians have summer. So they celebrate Christmas in the …………………(6) of the summer. Australia is famous for its wildlife. The most famous …………………(7) is probably the kangaroo. The kangaroo, or roo for short, has …………………(8) Australia's national symbol. The word "kangaroo" was the first Aboriginal …………………(9) in the English language. There are several spices of kangaroos. The red kangaroo …………………(10) the biggest ones and they are found in the middle of the country

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team