根号12-根号27+根号18-根号8
问题描述:
根号12-根号27+根号18-根号8
答
=2倍根号3-3根号3+3倍根号2-2倍根号2
=根号3-根号2
根号12-根号27+根号18-根号8
=2倍根号3-3根号3+3倍根号2-2倍根号2
=根号3-根号2