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0-9

Some 30 years after the tearing down of the Berlin Wall, the city with only 15 houses, has two majors, two postal codes, two telep...
It might sound implausible, but deep at the bottom of the Indian Ocean lies the continent, which was found thanks to the work done...
There are math problems that remain unsolved in algebra, graph, Euclidean geometries, and many other aspects of mathematics