2sin45º+│-√2│-(√8-2)º【这是0次方】+(1╱3)-1【在数字右上小的-1】

问题描述:

2sin45º+│-√2│-(√8-2)º【这是0次方】+(1╱3)-1【在数字右上小的-1】

2sin45º+│-√2│-(√8-2)º+(1╱3)-1
=2*√2/2+√2-1+3
=2√2+2