一个守财奴总是躲在自己的金库里玩金币游戏。这个守财奴有一批面值分别为5美元、10美元和20美元的金币,他习惯把这些金币分别放在5个保险柜中,且每个保险柜中每种金币的数目是相等的。在晚上没有事情可做时,守财奴就会来到金库,玩金币游戏。游戏的过程是这样的:把所有的金币全部倒出来放在眼前,然后平均分成6堆,并且每一堆中各种面值的金币的数目相等。接着,守财奴任意取出两堆,并把这两堆金币混合在一 A miser always hides in his own vault to play a gold coin game. The miser has a group of gold coins with par values ​​of $ 5, $ 10, and $ 20, respectively. He is accustomed to placing the gold coins in five safes, each of which is equal in number to each coin. When nothing can be done at night, the miser will come to the vault and play the gold coin game. The process of the game is this: Put all the gold coins in front of them, and divide them evenly into 6 heaps, with the same number of gold coins of each denomination in each heap. Then, keep mischief arbitrarily remove the two piles, and the two piles of gold mixed in one