3√x+5√y-2√x√y-√x =2√x+5√y-2√xy;(2)√2-√3/2+√2/3-√3/5+3√3+2√2=√2+√2/3+2√2-√3/2-√3/5+3√3=10√2/3+23√3/3;(3) √6-√12+√18-√24-√32=√6-2√3+3√2-2√6-4√2=-√6-2√3-√2;很高兴为您解...