A.+0.118V B.+1.20V C.+0.07V D.-0.50VA

Freeti2019-12-17  6

问题

选项 A.+0.118VB.+1.20VC.+0.07VD.-0.50V

答案A

解析[img]/upload/tiku/36/5277537_1.jpg[/img]
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