√3(9/√54-4/√24)-√2(8/√96 - 18/√216) +1/12(√12-√32) =
=√3(9/3√6 - 4/2√6)-√2(8/4√6 - 18/6√6) +1/12(2√3-4√2) =
= √3(3/√6 - 2/√6)-√2(2/√6-3/√6)+1/12*2(√3-2√2) =
= √3*1/√6 - √2(-1/√6)+1/6 * (√3 -2√2) =
= 1/√2 + 1/√3 + √3/6 - √2/3 =
= √2/2 + √3/3 + √3/6 -√2/3 =√2/6 + √3/2
