一个简单加、减、乘、除运算游戏， 能自动生成试题，适合于儿童。-a simple addition, subtraction, multiplication and Operational games, questions can be generated automatically, suitable for children.

4个数，加符号算出结果24的游戏，微软曾经面试题，用计算机求解，又详细过程。-Number 4, plus 24 symbols calculated results of the game, Microsoft face questions and use computers to solve. Also detailed process.

多边形游戏，属于国际信息学奥林匹克竞赛试题。单人进行，开始时有一个或n个顶点构成的多边形，每个顶点被赋初始值，每条边有运算符号+、X。按步进行-Polygon game, belongs to the international informatics Olympic competition for the test. There is a single, start a vertex constitute or n polygon, each vertices are an initial v

小白鼠钻迷宫，递归和试题的小型代码。代码完整。-Diamond Maze Mice, recursive, and questions of the small code. Code integrity.