(3倍根号5减根号2)(2倍根号5加3倍根号2)
问题描述:
(3倍根号5减根号2)(2倍根号5加3倍根号2)
答
(3倍根号5减根号2)(2倍根号5加3倍根号2)
=30+9√10-2√10-6
=24+7√2