Task
What number is represented by the Roman number \(\displaystyle {\rm MMDLX}\)?
Solution
Определение
\(\displaystyle {\rm M}=1000,\) \(\displaystyle {\rm D}=500,\) \(\displaystyle {\rm C}=100,\) \(\displaystyle {\rm L}=50,\) \(\displaystyle {\rm X}=10.\)
| Roman number | thousands | hundreds | tens | ones | ||||||
| \(\displaystyle {\rm MMDLV}\) | \(\displaystyle =\) | \(\displaystyle {\rm MM}\) | \(\displaystyle +\) | \(\displaystyle {\rm D}\) | \(\displaystyle +\) | \(\displaystyle {\rm LX}\) | \(\displaystyle +\) | \(\displaystyle \) | ||
| \(\displaystyle 2000\) | \(\displaystyle +\) | \(\displaystyle 500\) | \(\displaystyle +\) | \(\displaystyle 60\) | \(\displaystyle +\) | \(\displaystyle 0\) | \(\displaystyle =\) | \(\displaystyle 2560\) |
Answer: \(\displaystyle 2560{\small .}\)