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MATH / Find the least positive four-digit solution r of the congruence r^2 + 4r + 4 equiv r^2 + 2r + 1 pmod55 . · Discussion

Discussing Find the least positive four-digit solution r of the congruence r^2 + 4r + 4 equiv r^2 + 2r + 1 pmod{55} . · MATH

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