( 2+根号3﹚²º¹¹×﹙2﹣根号3﹚²º¹¹
问题描述：
( 2+根号3﹚²º¹¹×﹙2﹣根号3﹚²º¹¹
答
( 2+根号3﹚²º¹¹×﹙2﹣根号3﹚²º¹¹=[(2+√3)(2-√3)]²º¹¹=(4-3)²º¹¹=1²º¹¹=1
( 2+根号3﹚²º¹¹×﹙2﹣根号3﹚²º¹¹
( 2+根号3﹚²º¹¹×﹙2﹣根号3﹚²º¹¹=[(2+√3)(2-√3)]²º¹¹=(4-3)²º¹¹=1²º¹¹=1