3倍根号2乘以(3倍根号48减2倍根号12减4倍根号8
问题描述:
3倍根号2乘以(3倍根号48减2倍根号12减4倍根号8
3倍根号2乘以(3倍根号48减2倍根号12减4倍根号8分之1)答案多少,小孩问我,
答
3倍根号2乘以(3倍根号48减2倍根号12减4倍根号8
=3根号2*3根号48-3根号2*2根号12-3根号2*4根号8
=9根号96-6根号24-12根号16
=36根号6-12根号6-48
=24根号6-48