Найдите сколько ткани использовали для шитья одной наволочки? наволочка - одна штука 4 простынь - одна штука -3м 80см.количество 2 всего ткани 12 м 40 см

Nature gives man everything necessary for its existence. but often we do not appreciate these gifts did not hesitate to tear away the flowers and branches of trees, without giving anything in return. we think that it is a trifle, because the new grow. turning around, hard to miss - how all the same beautiful nature. we just need to learn to appreciate it! nature delights us with its unusual and so different seasons. in the spring, as if making the first steps, nature refreshed, shoots appear on the earth, for them - the first leaves on the trees. by the summer, in the woods and gardens present a riot of colors, flourished flowers and shrubs.autumn treetops sometimes crimson and gold fireworks decorate the alleys and parks. golden autumn harbors all around the yellow carpet of fallen leaves. the arrival of winter is replaced by rain on snow. lake shackles ice, trees wraps in white coats. in his tenure comes to the queen of winter and spring nature as if asleep.in any season, nature is unique and extraordinarily beautiful.in recent years, the protection of nature is receiving attention. this is good, and then it becomes more and more people who care about the future of our planet, showing care and concern for the surrounding nature. protect and preserve the pristine beauty of the native land -it is our common duty to you and the duty!

                                  Стеллерова или морская корова!The black book of extinct animals and describes another species, discovered during the expedition of Vitus Bering in 1741. His ship called the "St. Peter" was wrecked near the coast of the island, later named after its discoverer. The team was forced to stay here for the winter and to eat unusual animals called cows due to the fact that they were eating sea grass. These creatures were huge and slow. Their weight often reaches ten tons. The meat of the sea cow was very tasty and useful. Hunting on these harmless giants had not been difficult, as the animals calmly eating algae close to the coast, were not able to escape in the depth and wasn't afraid of the man. In the end, after the expedition to the Islands of profit brutal hunters who killed all the population of the sea cows for some three decades