| You have to believe, there is a way. The ancients said: the kingdom of heaven is trying to enter. Only when the reluctant step by step to go to it s time, must be managed to get one step down, only have struggled to achieve it. - Guo Ge Tech大学教材部分答案参考网站 (供大家学习)1、C 程序设计 第三版 (谭浩强 著) 清华大学出版社 课后答案2、复变函数与积分变换 第四版 (张元林 西安交大 著) 高等教育出版社 课后答案C 语言程序设计教程 第三版 (谭浩强 张基温 著)