计算:(根号2 * 三次根号2)^3 - 根号12 / 根号6
问题描述:
计算:(根号2 * 三次根号2)^3 - 根号12 / 根号6
答
[2^(1/2)*2^(1/3)]^3-12^(1/2)/6^(1/2)
=[2^(5/6)]^3-2^(1/2)
=2^(5/2)-2^(1/2)
=3*2^(1/2)