Question

Determinati numarul abcd (numar in baza 10)care verifica egalitatea:
abcd+ bcd + cd + d = 3102

Answer 1

[tex] \begin{matrix}\it \ __{ 2533} +\\ \it __{533}\\ \ \it __{33} \\ \ \it __{3} \end{matrix}\\ ....... \\ \it __{3102} [/tex]

$\begin{matrix}\it \ __{ 2498} +\\ \it __{498}\\ \ \it __{98} \\ \ \it __ {8} \\ ..... \\ \it __{3102} \end{matrix}$