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National and Regional Contests
India Contests
India Pre-Regional Mathematical Olympiad
2019 India PRMO
17
More Squares
More Squares
Source: PRMO Leg 2 P17
August 25, 2019
algebra
PRMO
Problem Statement
Let
a
,
b
,
c
a,b,c
a
,
b
,
c
be distinct positive integers such that
b
+
c
−
a
b+c-a
b
+
c
−
a
,
c
+
a
−
b
c+a-b
c
+
a
−
b
and
a
+
b
−
c
a+b-c
a
+
b
−
c
are all perfect squares. What is the largest possible value of
a
+
b
+
c
a+b+c
a
+
b
+
c
smaller than
100
100
100
?
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