1.根号2×4次根号下8
问题描述：
1.根号2×4次根号下8
答
√2×⁴√8
=2^(1/2)×8^(1/4)
=2^(1/2)×2^(3/4)
=2^(1/2+3/4)
=2^(5/4)
=2×⁴√2