摘要: delegate double Operation(double d1, double d2); static double Multiply(double p1, double p2) { return p1 * p2; } static double Divide(double p1, dou... 阅读全文
posted @ 2018-09-30 23:20 TheMiao 阅读(77) 评论(0) 推荐(0) 编辑