Tìm $n$ nguyên dương để $5^{n}+1\vdots n$
Edited by perfectstrong, 12-10-2023 - 03:03.
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Tìm $n$ nguyên dương để $5^n+1$ chia hết cho $n,n^2,n^3$
Started By nloss123, 11-10-2023 - 20:56
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