1.4√3-2√1/3+1/3√75 =4√3-2/3√3+5/3√5=10/3√3+5/3√5 2.√2/9+√50-√32 =1/3√2+5√2-4√2=4/3√2 3.√12-√1/2-2√1/3=2√3-1/2√2-2/3√3=4/3√3-1/2√2 4.3√8+2√32-√50=6√2+8√2-5√2=9√2