bntr (bntr) wrote,
bntr
bntr

Думал, а почему это верно.

(1 + 2 + 3 + 2 + 4 + 6)² = 1³ + 2³ + 3³ + 2³ + 4³ + 6³




(1 + 2 + 3 + 4)² = 1³ + 2³ + 3³ + 4³


Tags: number, square
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