All about flooble | fun stuff | Get a free chatterbox | Free JavaScript | Avatars    
perplexus dot info

Home > Just Math
Integers and their sums of digits (Posted on 2017-03-13) Difficulty: 2 of 5
Find all solutions of the system
s(x) + s(y) = x
x + y + s(z) = z
s(x) + s(y) + s(z) = y − 4,
where x, y and z are positive integers, and each of s(x), s(y) and s(z) denotes the sum of digits of x, y and z, respectively, in decimal notation.

No Solution Yet Submitted by Ady TZIDON    
No Rating

Comments: ( You must be logged in to post comments.)
  Subject Author Date
Hints/TipsAnalytical ApproachSteve Herman2017-03-19 11:56:47
computer solutionCharlie2017-03-19 11:38:14
Hints/TipshintAdy TZIDON2017-03-18 13:47:14
Please log in:
Login:
Password:
Remember me:
Sign up! | Forgot password


Search:
Search body:
Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (3)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:
Copyright © 2002 - 2024 by Animus Pactum Consulting. All rights reserved. Privacy Information