s/(2s/3v1+s/3v2)=化简过程
问题描述:
s/(2s/3v1+s/3v2)=化简过程
答
s/(2s/3v1+s/3v2)
=1/(2/3v1+1/3v2)
=(3v1v2)/(2v2+v1)
=3v1v2/(v1+2v2)