(m的5次方-32n的5次方)/(16n的4次方-m的4次方)=
问题描述：
(m的5次方-32n的5次方)/(16n的4次方-m的4次方)=
答
原式=(m-2n)(m^4+2m³n+4m²n²+8mn³+16n^4)/[-(m-2m)(m³+2m²n+4mn²+8n³)]=-(m^4+2m³n+4m²n²+8mn³+16n^4)/(m³+2m²n+4mn²+8n³)