perplexus.info :: Numbers : Let's make a deal

Let's make a deal (Posted on 2018-02-17)

DEAL * DEAL = ----DEAL
Replace dashes by decimal digits,
using reasoning only.

There is only one solution!

Submitted by Ady TZIDON

Rating: 5.0000 (1 votes)

Solution: (Hide)

OEIS A003226 Automorphic numbers: n^2 ends with n.
PAY ATENTION: Only one 4-digit entry!

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Subject Author Date

Answer Math Man 2018-02-17 09:43:16

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