3√6 × 2√3 ÷ 2

3√6 × 2√3 ÷ 2= 6√18 : 2= 6√9×2 :2= 6×3√2 :2=18√2 :2= 9√2

= 6 * √18 : 2 = 6 * 3√2 : 2 = 18√2 : 2 = 9√2

(3√6∙2√3)/2=(6√18)/2=3√(9∙2)=3∙√9∙√2=3∙3√2=9√2