
|√3-2√2|+|根号下(2+√3)|-|√2-√3|
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|√3-2√2|+|根号下(2+√3)|-|√2-√3|
=2√2-√3+根号下(2+√3)-√2+√3
=√2+根号下(2+√3)
=√2+根号下(1+√3)²/2
=√2+(1+√3)/√2
=√2+1/2√2+1/2√6
=3/2√2+1/2√6
=2√2-√3+根号下(2+√3)-√2+√3
=√2+根号下(2+√3)
=√2+根号下(1+√3)²/2
=√2+(1+√3)/√2
=√2+1/2√2+1/2√6
=3/2√2+1/2√6
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