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Cono Sur Olympiad
2011 Cono Sur Olympiad
4
4
Part of
2011 Cono Sur Olympiad
Problems
(1)
Cono Sur Olympiad 2011, Problem 4
Source:
8/23/2014
A number
a
b
c
d
‾
\overline{abcd}
ab
c
d
is called balanced if
a
+
b
=
c
+
d
a+b=c+d
a
+
b
=
c
+
d
. Find all balanced numbers with 4 digits that are the sum of two palindrome numbers.
algebra proposed
algebra