5предлжении про собаку hop hop

(2√11-4√15)² = 4*11-16√11*15+16*15= 44-16√165+240= 284-16√165=4(71-4√165)

of the United States, in the north-western edge of North America. Includes the same peninsula, the Aleutian Islands, narrow Pacific coast, together with the islands of the Alexander archipelago along the Western Canada and mainland.    The geography of the State is located in the extreme northwest of the continent, separated from the Chukotka peninsula (Russia) Bering Strait in the East it borders with Canada, to the West on a small plot of Bering Strait from Russia. Consists of the Mainland and numerous islands of the Alexander archipelago, Aleutian Islands, Pribilof, Kodiak Island, island in the St. Lawrence. It is washed by the Arctic and Pacific oceans. Pacific Coast — Alaska range; the inner part is a plateau ranging from 1200 m up to 600 m in the East to the West; goes into depression. In the North, the ridge is followed by Brooks, Arctic plain.    Mount McKinley (Denali) (6194 m) is the highest in North America. In its vicinity is located the famous Denali National Park.    There are active volcanoes.    In 1912, as a result of a volcanic eruption was the Valley of ten thousand fumes and a new volcano Novarupta. The northern part of the State covers the tundra. To the South are located in the forest. The State is a Small Island of Diomedes (Diomede) in the Bering Strait, situated at a distance of 4 km from the island's Great Diomedes (Diomede), which belongs to Russia.    On the Pacific coast the climate is temperate, maritime, relatively mild; in other areas — Arctic and subarctic continental climate, with harsh winters.    Largest city: City with a population of more than 100000 people • Anchorage City with a population of 10000-100000 people • Fairbanks • Juneau (capital) • College • of Wasilla

Salesman: What kind of shoes do you want, sir? Leather, suede?
Customer: I want a pair of strong walking shoes. Perhaps, leather will be best.
S: What is your size, sir?
C: My size is eight.
S: Here is a pair of your size Try them on. 
C: They are a bit tight, I am afraid. Can I have another pair, please? Very well. These are all right. What is the price?
S: Twenty-five pounds. It is not expensive.
 C: That is all right. Thank you.

Продавец: Какую обувь вы хотите, сэр? Кожаную или замшевую?
Покупатель: Я хочу пару крепких туфель для ходьбы. Возможно, кожаные будут лучше всего.
S: Каков ваш размер, сэр?
C: Мой размер восемь.
S: Вот пара вашего размера. Примерьте их.
C: Они немного тесноваты, я боюсь. Можно ли другую пару Очень хорошо. Эти-нормально. Какова цена?
S: Двадцать пять фунтов. Это не дорого.
C: Все в порядке