[delegate]public delegate void DelegatePlus(int coin, int point, int exp); public class Program{ static int userCoin = 0; static int userPoint = 0; static int userExp = 0; static void PlusCoin(int coin, int point, int exp) { userCoin = userCoin + coin; } static void PlusPoint(int coin, int point, int exp) { userPoint = userPoint + point; } static void..