Notice, "the numbers are equal" and "the numbers start with the same letter" are two completely different statements.

## Solution

These numbers are 147 and 111, respectively. The problem is solved by simply enumerating the options, of which there are not so many.

## Answer

147 and 111.
$\left.\begin{array}{l}{[\text { Decimal numeral system }} \\ {[\text { Case enumeration }}\end{array}\right]$

One three-digit number consists of different digits in ascending order, and in its name, all words start with the same letter. Another three-digit number, on the contrary, consists of the same digits, but in its name, all words start with different letters. What are these numbers?