1.原式=2√3-√2/2-(2√3)/3
=(2-2/3)√3-√2/2
=4/3√3-√2/2
2.原式=4√3+4√3
=8√3
3.原式=6√5-3√5-√5/5
=(6-3-1/5)√5
=14/5√5
4.原式=√2/3+5√2-4√2
=(1/3+5-4)√2
=4/3√2
1.原式=2√3-√2/2-(2√3)/3
=(2-2/3)√3-√2/2
=4/3√3-√2/2
2.原式=4√3+4√3
=8√3
3.原式=6√5-3√5-√5/5
=(6-3-1/5)√5
=14/5√5
4.原式=√2/3+5√2-4√2
=(1/3+5-4)√2
=4/3√2