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摘要: 引理1 如图, 设锐角\(\small \triangle ABC\)的外接圆为\(\small\Omega, X,Y,Z\)分别是劣弧\(\small\mathop{BC}\limits^\frown,\mathop{AC}\limits^\frown,\mathop{AB}\limits^\fr 阅读全文
posted @ 2024-08-25 00:55 Matrixor 阅读(205) 评论(0) 推荐(0)