摘要： problem 4: A palindromic number reads the same both ways. The largest palindrome made from the product of two 2-digit numbers is 9009 = 9199. Find the largest palindrome made from the product of two 3-digit numbers.问题4： 回文数：将一个数的数字按相反的顺序重新排列后，所得到的数和原来的数一样. 最大的可以表示为两个两位数的乘积的回文数是9009=9199. 求最大的可以表示为两个 阅读全文