化简分式2/(1/X+1/Y)
问题描述:
化简分式2/(1/X+1/Y)
答
2/(1/x+1/y)
=2/((x+y)/xy)
=2xy/(x+y)
化简分式2/(1/X+1/Y)
2/(1/x+1/y)
=2/((x+y)/xy)
=2xy/(x+y)