a²·﹙﹣2a﹚^4-﹙﹣3a³﹚²+﹙﹣a²﹚³

问题描述:

a²·﹙﹣2a﹚^4-﹙﹣3a³﹚²+﹙﹣a²﹚³

a²·﹙﹣2a﹚^4-﹙﹣3a³﹚²+﹙﹣a²﹚³
=a²*16a^4-9a^6-a^6
=16a^6-10a^6
=6a^6