A. 0.4 B. 0.6 C. 0.5 D. 0.3

Loveyou2019-12-17  17

问题 A. 0.4 B. 0.6 C. 0.5 D. 0.3

选项

答案A

解析[img]/upload/tiku/36/2207053_1.jpg[/img]
转载请注明原文地址:https://ti.zuoweng.com/ti/9HoNKKKQ