(√0.5-2√1/3)-(√1/8-√75)解:原式=(√2)/2-(2√3)/3-(√2)/4+5√3 =(6√2)/12-(8√3)/12-(3√2)/12+(60√3)/12 =(3√2+52√3)/12
(√1/2-2√1/3)-(√1/8-√75)=√2/2-2√3/3-√2/4+5√3=√2/4+13√3/3