9倍根号3加7倍根号12减5倍根号48加2倍根号3分之1
问题描述:
9倍根号3加7倍根号12减5倍根号48加2倍根号3分之1
答
(11/3)乘根号3
答
9√3+7√12-5√48+2√(1/3)
=9√3+7×2√3-5×4√3+(2/3)√3
=9√3+14√3-20√3+(2/3)√3
=3又(2/3)√3