(根号6-2根号15)X根号3-6根号二分之一

问题描述:

(根号6-2根号15)X根号3-6根号二分之一

= 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

(√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