关于三角形面积的填空题. 如图,△ABC的中线AD、BE相交于点O.已知,S△BOD=2cm²,则S三角形ABC=________cm².
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![关于三角形面积的填空题. 如图,△ABC的中线AD、BE相交于点O.已知,S△BOD=2cm²,则S三角形ABC=________cm².](/uploads/image/z/5292662-14-2.jpg?t=%E5%85%B3%E4%BA%8E%E4%B8%89%E8%A7%92%E5%BD%A2%E9%9D%A2%E7%A7%AF%E7%9A%84%E5%A1%AB%E7%A9%BA%E9%A2%98.++++++++%E5%A6%82%E5%9B%BE%2C%E2%96%B3ABC%E7%9A%84%E4%B8%AD%E7%BA%BFAD%E3%80%81BE%E7%9B%B8%E4%BA%A4%E4%BA%8E%E7%82%B9O.%E5%B7%B2%E7%9F%A5%2CS%E2%96%B3BOD%3D2cm%26%23178%3B%2C%E5%88%99S%E4%B8%89%E8%A7%92%E5%BD%A2ABC%3D________cm%26%23178%3B.)
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