论文部分内容阅读
假如有9颗宝石,如果想要把宝石分别装在4个布袋里,并且保证每个布袋里都有宝石,而且每个布袋里宝石的个数都是单数,你能想出这种装宝石的方法吗?
If there are 9 gems, if you want to put the gems were placed in four bags, and ensure that there are gems in each bag, and the number of gems in each bag are singular, you can come up with this gem The method?