作业帮2m+m²－3／2m(m²-1)是如何化简成m-2／2m²+2m
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2m+m²－3／2m(m²-1)是如何化简成m-2／2m²+2m
2m+m²－3／2m(m²-1)是如何化简成m-2／2m²+2m
2m+m²－3／2m(m²-1)是如何化简成m-2／2m²+2m
原式=(m+3)(m-1)/[2m(m+1)(m-1)]
=(m+3)/[2m(m+1)]
=(m+3)/(2m²+2m)