可數(shù)集、可計算數(shù)、判定性問題與圖靈機(已修改)
2025-07-30 16:17 本頁面
【正文】 可數(shù)集、可計算數(shù)、判定性問題與圖靈機 顧森 (Matrix67) 枚舉所有可能的數(shù) 1, 2, 3, 4, 5, 6, ? 0, 1, 1, 2, 2, 3, 3, ? 1/2, 1/3, 1/4, 1/5, ? 1/2, 1/3, 2/3, 1/4, 3/4, 1/5, 2/5, 3/5, 4/5, 1/6, 5/6, 1/7, 2/7, ? 1/2, 3/2, 5/2, 7/2, ? 1/1 2/1 100000/1 1/1, 2/1, 1/2, 3/1, 1/3, 4/1, 3/2, 2/3, 1/4, 5/1, 1/5, 6/1, 5/2, ? 0, 1/1, 1/1, 2/1, 2/1, 1/2, 1/2, 3/1, 3/1, 1/3, 1/3, ? 有理數(shù)集是可數(shù)的 √2 x2 2 = 0 x5 + 2x4 3x 6 = 0 2, 4√3 , 4√3 x5 x 1 = 0 x = ... 代數(shù)數(shù) 集是可數(shù)的嗎？ x = 0, x + 1 = 0, x + 2 = 0, x + 3 = 0, ? 999x + 9999 = 0 999x 9999 = 0 x 1 = 0, x2 1 = 0, x3 1 = 0, x4 1 = 0, ? x = 0, x = 0, 2x = 0, 3x = 0, ?, 9x = 0, x = 0, 2x = 0, 3x = 0, ?, 9x = 0, x2 = 0, x3 = 0, ?, x 9 = 0, x = 0, 2x = 0, 3x = 0, ?, 9x = 0, x2 = 0, x3 = 0, ?, x 9 = 0, x = 0,
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鄂ICP備17016276號-1