数学基础知识延长线段ab到c,使bc=3/2ab,反响延长线段ab到d,使da=ab,若ab等于10cm,求dc
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![数学基础知识延长线段ab到c,使bc=3/2ab,反响延长线段ab到d,使da=ab,若ab等于10cm,求dc](/uploads/image/z/8754110-62-0.jpg?t=%E6%95%B0%E5%AD%A6%E5%9F%BA%E7%A1%80%E7%9F%A5%E8%AF%86%E5%BB%B6%E9%95%BF%E7%BA%BF%E6%AE%B5ab%E5%88%B0c%2C%E4%BD%BFbc%EF%BC%9D3%2F2ab%2C%E5%8F%8D%E5%93%8D%E5%BB%B6%E9%95%BF%E7%BA%BF%E6%AE%B5ab%E5%88%B0d%2C%E4%BD%BFda%EF%BC%9Dab%2C%E8%8B%A5ab%E7%AD%89%E4%BA%8E10cm%2C%E6%B1%82dc)
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