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Теория: Перевод римских чисел в арабские числа

Задание

Какому числу равно римское число \(\displaystyle {\rm MMDLX}{\small?}\)

Решение

Определение

\(\displaystyle {\rm M}=1000,\) \(\displaystyle {\rm D}=500,\) \(\displaystyle {\rm C}=100,\) \(\displaystyle {\rm L}=50,\) \(\displaystyle {\rm X}=10.\)

число тысячи сотни десятки единицы  
\(\displaystyle {\rm MMDLV}\)\(\displaystyle =\)\(\displaystyle {\rm MM}\)\(\displaystyle +\)\(\displaystyle {\rm D}\)\(\displaystyle +\)\(\displaystyle {\rm LX}\)\(\displaystyle +\)\(\displaystyle \)  
  \(\displaystyle 2000\)\(\displaystyle +\)\(\displaystyle 500\)\(\displaystyle +\)\(\displaystyle 60\)\(\displaystyle +\)\(\displaystyle 0\)\(\displaystyle =\)\(\displaystyle 2560\)

 

Ответ: \(\displaystyle 2560{\small.}\)