摘要:
1023 Have Fun with Numbers (20 分) 1023 Have Fun with Numbers (20 分) 1023 Have Fun with Numbers (20 分) Notice that the number 123456789 is a 9-digit nu 阅读全文
摘要:
1019 General Palindromic Number (20 分) 1019 General Palindromic Number (20 分) 1019 General Palindromic Number (20 分) A number that will be the same wh 阅读全文