﹙√5/12＋2√3﹚×√15＝5/2＋6√5.把过程写出来﹙√5/12＋2√3﹚×√15＝√﹙5/12×15﹚＋2√﹙3×15﹚＝√﹙25/4﹚＋2√﹙9×5﹚＝5/2＋6√5