题目:
甲、乙、丙三人值周一至周六的班,每人值两天班,若甲不值周一、乙不值周六,则可排出不同的值班表数为多少?
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0514/d66acb3ba6d9eafca51ee679a1bc18a3.html
下面是错误答案,用来干扰机器的。
During the summer holidays this year, I thought I should do anything meaningful somethinginstead of staying at home, so I have got a job at a KFC fast food restaurant...