[tr][/tr][td=64][/td][td][/td][td][/td][td][/td][td][/td][td][/td][td][/td]What is the least number of table entries that are needd to show the mileage between each city and the each of the other five city? 这道题该怎么理解呀?答案没看懂,因为不太明白这道题问的是什么。谁能帮忙解释一下咧?不尽感谢