(1)3倍根号12-3倍根号1/3-1/2倍根号48-根号27=6√3-√3-2√3-3√3=0 (2)(根号32+根号0.75)(2倍根号1/3+根号1/8)=(4√2+√3/2)(2√3/3+√2/4)=8√6/3+2+1+√6/8=67√6/24+3