2S/(S/V1+S/V2)怎么整理出的2V1V2/(V1+V2)
问题描述:
2S/(S/V1+S/V2)怎么整理出的2V1V2/(V1+V2)
答
2S/(S/V1+S/V2)=2/(1/V1+1/V2)=2/((V1+V2)/V1V2)=2V1V2/(V1=V2)
2S/(S/V1+S/V2)怎么整理出的2V1V2/(V1+V2)
2S/(S/V1+S/V2)=2/(1/V1+1/V2)=2/((V1+V2)/V1V2)=2V1V2/(V1=V2)