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Chile National Olympiad
1998 Chile National Olympiad
1
sum x_i =1998, a<x_i<b (Chile NMO 1998 P1)
sum x_i =1998, a<x_i<b (Chile NMO 1998 P1)
Source:
November 24, 2021
number theory
algebra
Sum
Problem Statement
Find all pairs of naturals
a
,
b
a,b
a
,
b
with
a
<
b
a <b
a
<
b
, such that the sum of the naturals greater than
a
a
a
and less than
b
b
b
equals
1998
1998
1998
.
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