摘要： 1 using System; 2 using System.Text; 3 4 namespace Labs { 5 public class BigIntegerUtility { 6 public static string Multiply(string one, string other) { 7 if (string.IsNullOrEmpty(one) || string.IsNullOrWhiteSpace(one)) { 8 throw new ArgumentNullException("o... 阅读全文