10. Calculați:
√3-√5 + √3+√5|-|3-2√5; b) 2-√5 -√3+√5 + 1-√3|-|√3-31;
a)
) |√3+√2|-|√3+5|-|1–√2
+1-51; d) |√2-√3+2-√3|+|1-√2|-|-3|.