1/(1/R1+1/R2),化简为R=R1*R2/(R1+R2),怎么化简的,
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![1/(1/R1+1/R2),化简为R=R1*R2/(R1+R2),怎么化简的,](/uploads/image/z/9734533-61-3.jpg?t=1%2F%EF%BC%881%2FR1%2B1%2FR2%EF%BC%89%2C%E5%8C%96%E7%AE%80%E4%B8%BAR%3DR1%2AR2%2F%EF%BC%88R1%2BR2%EF%BC%89%2C%E6%80%8E%E4%B9%88%E5%8C%96%E7%AE%80%E7%9A%84%2C)
1/(1/R1+1/R2),化简为R=R1*R2/(R1+R2),怎么化简的,
1/(1/R1+1/R2),化简为R=R1*R2/(R1+R2),怎么化简的,
1/(1/R1+1/R2),化简为R=R1*R2/(R1+R2),怎么化简的,
1/(1/R1+1/R2)
=1/(R2/R1R2+R1/R1R2)
=1/[(R1+R2)/R1R2]
=R1*R2/(R1+R2)
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先通分
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