(1)2√3-1/2√3
=(2-1/2)√3
=3√3/2
(2)|2-√5|+√5
=√5-2+√5
=2√5-2
(3)2√2-3(√3-√2)
=2√2-3√3+3√2
=5√2-3√3
(4)|√2-√3|-3/2√3
=√3-√2-3√3/2
=-√3/2 -√2
(1)2√3-1/2√3
=(2-1/2)√3
=3√3/2
(2)|2-√5|+√5
=√5-2+√5
=2√5-2
(3)2√2-3(√3-√2)
=2√2-3√3+3√2
=5√2-3√3
(4)|√2-√3|-3/2√3
=√3-√2-3√3/2
=-√3/2 -√2