[代數] 循環小數問題
下列各數哪些數除以13化成循環小數後,小數點後循環節相同
(1) 1313131
(2) 2626262
(3) 3939393
(4) (40)的13次方
請問這是要中規中矩去算 還是有什麼比較快的解法呢?
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07/08 18:54, , 1F
07/08 18:54, 1F
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07/08 18:55, , 2F
07/08 18:55, 2F
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07/08 18:55, , 3F
07/08 18:55, 3F
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07/08 18:56, , 4F
07/08 18:56, 4F
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07/08 18:56, , 5F
07/08 18:56, 5F
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07/08 18:56, , 6F
07/08 18:56, 6F
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07/08 18:57, , 7F
07/08 18:57, 7F
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07/08 18:57, , 8F
07/08 18:57, 8F
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07/08 18:57, , 9F
07/08 18:57, 9F
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07/08 19:58, , 10F
07/08 19:58, 10F
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07/08 20:51, , 11F
07/08 20:51, 11F
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07/08 21:30, , 12F
07/08 21:30, 12F
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07/08 22:42, , 13F
07/08 22:42, 13F
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07/08 22:43, , 14F
07/08 22:43, 14F
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07/09 02:31, , 15F
07/09 02:31, 15F
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07/09 22:04, , 16F
07/09 22:04, 16F
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07/10 07:57, , 17F
07/10 07:57, 17F
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07/07 12:21,
4年前
, 18F
07/07 12:21, 18F