已知三角形ABC周长16cm,三角形ABD周长12cm,AD=4/5AB,AD=4cm,AD为BC边上的中线,求三角形ABC三边的长.
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![已知三角形ABC周长16cm,三角形ABD周长12cm,AD=4/5AB,AD=4cm,AD为BC边上的中线,求三角形ABC三边的长.](/uploads/image/z/3881088-0-8.jpg?t=%E5%B7%B2%E7%9F%A5%E4%B8%89%E8%A7%92%E5%BD%A2ABC%E5%91%A8%E9%95%BF16cm%2C%E4%B8%89%E8%A7%92%E5%BD%A2ABD%E5%91%A8%E9%95%BF12cm%2CAD%3D4%2F5AB%2CAD%3D4cm%2CAD%E4%B8%BABC%E8%BE%B9%E4%B8%8A%E7%9A%84%E4%B8%AD%E7%BA%BF%2C%E6%B1%82%E4%B8%89%E8%A7%92%E5%BD%A2ABC%E4%B8%89%E8%BE%B9%E7%9A%84%E9%95%BF.)
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