[其他] 數學魔術21張牌
如此網頁影片所示
http://ppt.cc/PSn5
想請教其背後的數學原理為何?
為何重複此手法三次
目標牌就會剛好出現在整副牌的中間位置?
謝謝
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推
07/16 15:19, , 1F
07/16 15:19, 1F
→
07/16 15:21, , 2F
07/16 15:21, 2F
→
07/16 15:23, , 3F
07/16 15:23, 3F
→
07/16 15:24, , 4F
07/16 15:24, 4F
→
07/16 15:25, , 5F
07/16 15:25, 5F
→
07/16 16:11, , 6F
07/16 16:11, 6F
推
07/16 19:33, , 7F
07/16 19:33, 7F
→
07/16 19:34, , 8F
07/16 19:34, 8F
→
07/16 19:34, , 9F
07/16 19:34, 9F
→
07/16 19:35, , 10F
07/16 19:35, 10F
→
07/16 19:36, , 11F
07/16 19:36, 11F
→
07/16 19:37, , 12F
07/16 19:37, 12F
→
07/16 19:38, , 13F
07/16 19:38, 13F
→
07/16 19:39, , 14F
07/16 19:39, 14F
→
07/16 19:39, , 15F
07/16 19:39, 15F
→
07/16 19:41, , 16F
07/16 19:41, 16F
→
07/16 19:41, , 17F
07/16 19:41, 17F
→
07/16 19:41, , 18F
07/16 19:41, 18F
推
07/16 20:20, , 19F
07/16 20:20, 19F
→
07/16 20:20, , 20F
07/16 20:20, 20F
→
07/16 20:21, , 21F
07/16 20:21, 21F
→
07/16 20:22, , 22F
07/16 20:22, 22F
→
07/16 20:29, , 23F
07/16 20:29, 23F
→
07/16 20:30, , 24F
07/16 20:30, 24F
→
07/16 20:33, , 25F
07/16 20:33, 25F
→
07/07 12:22,
4年前
, 26F
07/07 12:22, 26F
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