A. -1.33 B. -0.75 C. 0.75 D. 1.33

Freeti2019-12-17  1

问题 A. -1.33 B. -0.75 C. 0.75 D. 1.33

选项

答案A

解析[img]/upload/tiku/218/2651404_1.jpg[/img]
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