这款小游戏面向小学1~2年级学生，随机选择两个整数和加减法形成算式要求学生解答。针对一年级学生有年龄小、好动、自制力较差等特点，学习过程中，应尽可能有趣味性，宜以小游戏和鼓励为主，让学生在有趣的活动和游戏中自主学习新知识，运用新知识。-This small game for primary school students 1 ~ 2, randomly selected two integers and addition and subtraction formula to ask students to answer. For the first grade students are young, good move, poor self-control and other characteristics, the learning process, should be as interesting as possible, should be a small game and encourage the main, so that students in the interesting activities and games to learn new Knowledge, the use of new knowledge.