摘要: With given integers a,b,c, you are asked to judge whether the following statement is true: "For any x, if a x2 +b⋅x+c=0, then x is an integer." With g 阅读全文
posted @ 2019-01-23 19:35 我的秘密小屋 阅读(159) 评论(0) 推荐(0)