<span>а) 10√3-4√48-√75=10<span>√3-4*<span>√16*3-<span>√25*3=10<span>√3-16<span>√3-5<span>√3=-11<span>√3</span></span></span></span></span></span></span></span>
<span>б) (5√2-√18) √2=5√2*2-√18*2=5√4-√36=5*2-6=10-6=4</span>
<span><span>в) (3-√2)^2=9+6√2-2=11-6√2</span></span>