A. 0.9932 B. 0.9897 C. 0.9722 D. 0.8B

Freeti2019-12-17  11

问题

选项 A. 0.9932 B. 0.9897 C. 0.9722 D. 0.8

答案B

解析[img]/upload/tiku/37/5850267_1.jpg[/img]
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