Можно ли в плоскости прорезать тонкое отверстие, не разбивающее ее на части, через которое можно продеть каркас: a) куба; b) тетраэдра? (Ребра каркаса считаются сколь угодно тонкими)
Можно ли в плоскости прорезать тонкое отверстие, не разбивающее ее на части, через которое можно продеть каркас: a) куба; b) тетраэдра? (Ребра каркаса считаются сколь угодно тонкими)
But the Ukraine Crisis Media Center's Tsekhanovska points out that communications are often down in zones most affected by the war, making this sort of cross-referencing a luxury many cannot afford. These entities are reportedly operating nine Telegram channels with more than five million subscribers to whom they were making recommendations on selected listed scrips. Such recommendations induced the investors to deal in the said scrips, thereby creating artificial volume and price rise. Either way, Durov says that he withdrew his resignation but that he was ousted from his company anyway. Subsequently, control of the company was reportedly handed to oligarchs Alisher Usmanov and Igor Sechin, both allegedly close associates of Russian leader Vladimir Putin. "The result is on this photo: fiery 'greetings' to the invaders," the Security Service of Ukraine wrote alongside a photo showing several military vehicles among plumes of black smoke. "Russians are really disconnected from the reality of what happening to their country," Andrey said. "So Telegram has become essential for understanding what's going on to the Russian-speaking world."
from fr
