A. 0. 20; B. 3.33; C. 0. 267; D. 2. 667.D

题库总管2020-05-20  5

问题

选项 A. 0. 20;B. 3.33;C. 0. 267;D. 2. 667.

答案D

解析[img]/upload/tiku/140/337390_1.jpg[/img]
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