a) 4√3+√18-(2√3-3√2)+(3√3+2√6):√3-(2√2+3)=
=4√3+3√2-2√3+3√2+(3√3+2√6):√3-2√2-3=
=2√3+4√2+(3√3+2√6)√3:3-3=
=2√3+4√2+9+2√18:3-3=
=2√3+4√2+3+2√2-3=
=2√3+6√2
b)(5√6-3√10):√2+(3√5-5)-5√3=
=5√3-3√5+3√5-5-5√3=
=-5
c) (3√6-2√6):√3-(4√10-2√10):√5=
=√6:√3-2√10:√5=
=√2-2√2=
=-√2
