-6m²n·﹙x-y﹚³·1/3mn²·﹙y-x﹚²

问题描述:

-6m²n·﹙x-y﹚³·1/3mn²·﹙y-x﹚²

-6m²n·﹙x-y﹚³·1/3mn²·﹙y-x﹚²
=-2m²n·mn²·﹙x-y﹚³·﹙x-y﹚²
=-2m³n³(x-y)的5次幂