Phân tích các đa thức sau thành nhân tử a. 36a4-y2 b. 6x2 +x -2
Bài 14: Đọc đoạn văn sau và trả lời câu hỏi: The nomadic life of Mongolian Mongololian people nowadays still maintain their tradition of a nomadic life. About half of mongolian population do not settle down but travel from place to place every season. When you think of Mongolian nomads, you think of animal farmers. Their most valuable possessions are their tents and cattle. Mongolian has severe weather. There are dramatic changed in weather condotions between seasons. That is the reason why Mongolian have to move location throughout the year to the most appropriate spots. In winter, they often move in front of a mountain for shelter. In spring, it’s closer to a river, in summer right next to a river for water supply, and in autumn up a hill to collect hay for winter time. Most nomads move at least four times a year but some might move up to 30 times in a year ,especially if they have a lot of animals that eat through the vaibable food quickly. The number of namads has, however, significantly decreased over last years. More and more of its citizens move to Ulaanbaatar because they want to look for an education and a professional job.Mongolia is in a period of rapid change. 1.Is it true that about 50% of Mongolian population still lead a nomadic life? _____________________________________________________________________________ 2.What are the most valuable possessions of Mongolian nomads? _____________________________________________________________________________ 3.Why do Mongolian have to move location throughout the year? _____________________________________________________________________________ 4.Where do Mongolian nomads often move to in fall? _____________________________________________________________________________ 5.How often most nomads move their locations? _____________________________________________________________________________
tóm lược diễn biến kết quả của cách mạng tháng 8 năm 1945
Giúp mik nhanh với ạ mik đag cần gấp
phân tích đa thức thành nhân tử 4(x-3y) ² -8x(3y-x)
Bài 13: Khoanh tròng vào đáp án đúng: Benefit of living in the countryside. While many people prefer city life, a lot of people want to send their life in a rural area. The countryside are often(1) _________than the city because there are not as many factories and traffic as in big cities. The country folk can be (2) _________and they often live(3) _________than city dwellers. Besides, life in the countryside is(4) _________and peaceful because the crime rate is much(5) _________. The rural areas are(6) _________populated than the urban area but the neighbors are(7) _________and more helpful. Life in the countryside is(8) _________for old people than the energetic youngsters. 1.A.less polluted B.more polluted C.less pollutedly D.more pollutedly 2.A.more healthy B.healthier C.more healthily D.helthily. 3.A.longly B.longer C.shortly D.shorter 4.A.more simple B.simpler C.simply D.more simply 5.A.higher B.highly C.lower D.lowly 6.A.more densely B.more dense C.less D.less dense 7.A.more friendly B.friendlier C.friendly D.less friendly 8.A.more suitable B.more suitbly C.less suitably D.suitably.
Bài 12; Viết lại câu bằng từ đã cho sao cho nghĩa câu không thay đổi theo mẫu: 0.This exercise is easier than that one. That exercise is more difficult than that one. 1.Mr Smith is wealthier than Mr.Brown. Mr Brown___________________________________ 2.My house is smaller than my parent’s house. My parent’s house____________________________ 3.The black dress is more expensive than the red one. The red dress _____________________________ 4.Today it is colder than yesterday. Yesterday______________________________ 5.I don’t think you are taller than me. I don’t think I________________________________ 6.Is Jim worse at Math than John? Is John______________________________________ 7. Jim looks much younger than his classmates. Jim’s classmates____________________________ 8.Your hair is longer than mine. My hair_________________________
Tính nhanh giá trị biểu thức nha các bác
vẽ naruto nha NL:AI rảnh ko vô đây
Giúp mình câu này với ạ Cho hai điện tích điểm q 1 =2.10^ -7 C;q 2 =-3.10^ -7 C d overline a t tại hai điểm A và Btrong chân không cách nhau 15cm. Xác định lực điện tổng hợp tác dụng lên q_{e} = - 2.10 ^ - 7 trong hai trường hợp: a/q.dst ta; C, với CA=5cm;CB=10cm . b/q.dat tại D, với DA=5cm;DB=20cm
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