栏目导引,教材回顾,夯实基础,典例剖析,考点突破,名师讲坛,素养提升,分层演练,直击高考,第六章 不等式、推理与证明,第,3,讲基本不等式,第六章 不等式、推理与证实,1/41,a,b,2/41,大于,3/41,4/41,18,5/41,5,6/41,7/41,8/41,9/41,10/41,4,11/41,12/41,13/41,14/41,15/41,16/41,8,17/41,1,18/41,4,19/41,16,20/41,21/41,22/41,23/41,24/41,25/41,26/41,27/41,28/41,29/41,30/41,31/41,32/41,3,33/41,34/41,35/41,36/41,37/41,38/41,39/41,40/41,41/41,