A. 0.6 B. 0.7 C. 0.1 D. 0.3

恬恬2019-12-17  4

问题 A. 0.6 B. 0.7 C. 0.1 D. 0.3

选项

答案D

解析[img]/upload/tiku/36/2206471_1.jpg[/img]
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