3根号48-4根号27÷2根号3=?

问题描述:

3根号48-4根号27÷2根号3=?

3根48-4根27÷2根3=3×4根3-4×3根3×2根3=12根3-12根3÷2根3=12根3-6

12根号3-6


3√48-4√27÷2√3
=3×√16×3-12√3÷2√3
=12√3-6