一副牌，除了大小王之外还有52张，从1到13每个数目各有四张。要求设计一个程序，能够任意给出52张牌中的四张，并运用＋－×÷四种运算给出如何将四张牌的点数计算成24的所有方法 -A deck of cards, in addition to the size king there 52, from 1-13 each number own four. Asked to design a program to any given 52 cards in four, and the use of