化简:2(√3-√2)+(1/√2+1)-(2/√3+1)

分类: 作业答案 • 2021-12-03 15:10:00

问题描述：

化简:2(√3-√2)+(1/√2+1)-(2/√3+1)
化简:2(√3-√2)+(1/√2+1)-(2/√3+1)急求急求急求!

答

原式=:2√3-2√2+(√2-1）/（√2+1)(√2-1)-2(√3-1)/(√3+1)(√3-1)
=:2√3-2√2+(√2-1)/(2-1)-2(√3-1)/(3-1)
=2√3-2√2+√2-1-2√3+2
=-√2+1