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引用第4楼maxpassion于2012-01-05 09:07发表的 : sf7~hN* 我想你的问题出在了这里,既然电压满足叠加原理,那么你这个公式V^2=(V1+V2)^2= V1^2+V2^2+2*V1*V2,是有问题的,应该是V=V1+V2吧 RWX?B
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