根号2(根号48-4根号8分之1-根号12)
问题描述:
根号2(根号48-4根号8分之1-根号12)
答
√2×﹙√48-4√﹙1/8﹚-√12﹚
=√2×﹙4√3-√2-2√3﹚
=√2×﹙2√3-√2﹚
=2√6-2.