27^(1/3)+(√3-1)^2-(1/2)^（-1）+4/(√3+1)

来源：学生作业帮助网 编辑：作业帮 时间：2024/05/16 15:31:06
27^(1/3)+(√3-1)^2-(1/2)^（-1）+4/(√3+1)
x)3207x1XP3H(`~O=&`9mCM"}uPb1gkkQhkagkFjk3CH؂uB=o=P3u4yv f

27^(1/3)+(√3-1)^2-(1/2)^（-1）+4/(√3+1)
27^(1/3)+(√3-1)^2-(1/2)^（-1）+4/(√3+1)

27^(1/3)+(√3-1)^2-(1/2)^（-1）+4/(√3+1)
27^(1/3)=3
(√3-1)^2=3-2√3+1=4-2√3
-(1/2)^（-1）=-2
4/(√3+1)=4(√3-1)/3-1=2√3-2
即原式=3+4-2√3-2+2√3-2=3