Question

Write rules of Roman numerals​

Answer 1

Answer:

In rules for formation of Roman-numerals system there is no symbol or digit for zero. This system has no place value system. The digit or digits of lower value is/are placed after or before the digit of higher value. The value of digits of lower value is added to or subtracted from the value of digit of higher value.

Answer 2

Answer:

Rule 1: When a smaller symbol is after a greater symbol, it's added. Rule 2: If a symbol comes after itself, it's added. Rule 3: When a smaller symbol appears before a greater symbol, it is subtracted. Rule 4: The same symbol cannot be used more than three times in a row.