根号2*2根号2=?
问题描述:
根号2*2根号2=?
答
根号2*2根号2
=2×(根号2×根号2)
=2×2
=4
根号2*2根号2=?
根号2*2根号2
=2×(根号2×根号2)
=2×2
=4