2﹙b³﹚²×﹙b²﹚⁴-﹙b²﹚的5次方×﹙﹣b⁴﹚
问题描述:
2﹙b³﹚²×﹙b²﹚⁴-﹙b²﹚的5次方×﹙﹣b⁴﹚
答
2﹙b³﹚²×﹙b²﹚⁴-﹙b²﹚的5次方×﹙﹣b⁴﹚
=2b^6 x b^8+b^10xb^4
=2b^14+b^14
=3b^14