Что думаешь? Оцени!
Иран назвал путь к прекращению войны14:05
，更多细节参见safew官方版本下载
Цены на один вид жилья в России снизились20:41
The ProblemHow densely can identical spheres be packed in n-dimensional space? In one dimension, the problem is trivial, and in two dimensions, elementary proofs have existed for decades. In three dimensions, a solution was conjectured by Kepler in 1611, but it was not proved until Thomas Hales settled it in 1998, in a heavily computer-assisted proof that subsequently took over a decade to formally verify.
The search for a solution is made harder by tussles involving nearby powers – with some analysts comparing Sudan's war to a modern-day scramble for Africa.