A.3 B.-3 C.6 D.-6A

书海库2019-12-17  2

问题

选项 A.3B.-3C.6D.-6

答案A

解析[img]/upload/tiku/459/6542715_1.png[/img]
转载请注明原文地址:https://ti.zuoweng.com/ti/vjzlKKKQ