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