A. 0. 768kA; B 0. 384kA; C. 0.633kA; D

tikufree2019-12-17  8

问题 A. 0. 768kA; B 0. 384kA; C. 0.633kA; D. 0. 443k

选项

答案C

解析[img]/upload/tiku/38/8788380_1.jpg[/img]
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