计算:(-1/2m²n-1/3mn+1)·(-1/4m³n).
问题描述:
计算:(-1/2m²n-1/3mn+1)·(-1/4m³n).
答
(-1/2m²n-1/3mn+1)·(-1/4m³n)
=1/8m的5次方n²+1/12m的4次方n²-1/4m³n