解答

✨ 最佳解答 ✨

(a^2 - 6a + 9) + (b^2 - 8b + 16) + (c^2 - 10c + 25) = 0
(a - 3)^2 + (b - 4)^2 + (c - 5)^2 = 0
=> a = 3, b = 4, c = 5

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