A B A B
B A B A
A B A B
B A B A
Try to move two of the letters to different positions such that the letters are arranged in columns of all letters A and letters B.
Challenging Question (Maths)
2011-07-22 3:26 am
回答 (2)
2011-08-05 9:05 pm
✔ 最佳答案
A B A BB A B A
A B A B
B A B A
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B A B A
B A B A
B A B A
B A B A
參考: me
2011-07-22 4:26 am
圖片參考：http://imgcld.yimg.com/8/n/HA04758875/o/701107210098613873431020.jpg
Look at the diagonal columns.
參考: my brain
收錄日期: 2021-04-13 18:06:33
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20110721000051KK00986