请问这道初中数学题,不用圆的知识,不用梅涅劳斯定理,作辅助线怎么解? 知乎 Template




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tomski请问这道初中数学题,不用圆的知识,不用梅涅劳斯定理,作辅助线怎么解? 知乎 coloring