(√6-2√15)*√3-6√(1/2)
=√18-2√45-6√(2/4)
=3√2-6√5-(6/2)√2
=3√2-6√2-3√2
=-6√2
= 18-2根号45-3根号2
=3根号2-6根号5-3根号2
=-6根号5
(√6-2√15)×√3-6√1/2
=3√2-6√5-3√2
=-6√5
=
18-2根号45-3根号2
=3根号2-6根号5-3根号2
=-6根号5
括号展开
根号6*根号3
-
2*根号15*根号3
-
6*根号2分之一
=3*根号2
-
6*根号5
-
6*2分之根号2=
-6根号5