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International Contests
Baltic Way
1995 Baltic Way
5
5
Part of
1995 Baltic Way
Problems
(1)
Among any 2c consecutive positive integers
Source: Baltic Way 1995
10/8/2011
Let
a
<
b
<
c
a<b<c
a
<
b
<
c
be three positive integers. Prove that among any
2
c
2c
2
c
consecutive positive integers there exist three different numbers
x
,
y
,
z
x,y,z
x
,
y
,
z
such that
a
b
c
abc
ab
c
divides
x
y
z
xyz
x
yz
.
number theory proposed
number theory