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USAMO
1985
Problem - 3510
Determine whether or not there are any positive integral solutions of the simultaneous equations
x
2
1
+
x
2
2
+
⋯
+
x
2
1985
=
y
3
x
3
1
+
x
3
2
+
⋯
+
x
3
1985
=
z
2
with distinct integers
x
1
,
x
2
,
⋯
,
x
1985
.
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