扑克游戏，算二十四。规则，抽四张牌，加减乘除组合算出二十四点。我写的第二种算法，有点儿问题，求改正。-Poker game operator twenty-four. Rules, draws four cards, the combination of addition, subtraction, multiplication and division calculated 24.2. The second algorithm, I wrote a little problem, and corrections.