A. -2 B.2 C. -1 D. 1A

题库总管2019-12-17  2

问题

选项 A. -2B.2C. -1D. 1

答案A

解析[img]/upload/tiku/212/2688832_1.jpg[/img][img]/upload/tiku/212/2688832_1_1.jpg[/img]
转载请注明原文地址:https://ti.zuoweng.com/ti/EFUNKKKQ