Problem 1002 why 1 spell can open two boxes in permutation ( 1, 2 )

dovegx | 2014-08-31 19:16:01Author
why 1 spell can open two boxes in permutation ( 1, 2 )
dovegx | 2014-08-31 19:16:41# 1
RE:why 1 spell can open two boxes in permutation ( 1, 2 )
in( 2 1 )
admin | 2014-08-31 19:17:31# 2
RE:why 1 spell can open two boxes in permutation ( 1, 2 )
无论打开 1 还是 2,都会得到另一个盒子的钥匙。