CDXC


CDXC
матем.
Запись числа 490 римскими цифрами.

Словарь обозначений. 2014.

Смотреть что такое "CDXC" в других словарях:

  • List of amateur radio organizations — Amateur radio organizations have been important from the earliest days of radio communications. In the early days, there was a very pragmatic reason for this. Amateur radio stations did not have a very wide range, so messages would often have to… …   Wikipedia

  • 490 — матем. • Запись римскими цифрами: CDXC …   Словарь обозначений


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