已知:如图,平行四边形ABCD的周长为68cm.对角线AC,BD相交于点O,△AOD的已知:如图,平行四边形ABCD的周长为68cm.对角线AC,BD相交于点O,△AOD的周长与△AOB的周长之和为80cm,BD:AC=2:3,求AC,BD 的长图
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![已知:如图,平行四边形ABCD的周长为68cm.对角线AC,BD相交于点O,△AOD的已知:如图,平行四边形ABCD的周长为68cm.对角线AC,BD相交于点O,△AOD的周长与△AOB的周长之和为80cm,BD:AC=2:3,求AC,BD 的长图](/uploads/image/z/2768931-27-1.jpg?t=%E5%B7%B2%E7%9F%A5%EF%BC%9A%E5%A6%82%E5%9B%BE%2C%E5%B9%B3%E8%A1%8C%E5%9B%9B%E8%BE%B9%E5%BD%A2ABCD%E7%9A%84%E5%91%A8%E9%95%BF%E4%B8%BA68cm.%E5%AF%B9%E8%A7%92%E7%BA%BFAC%2CBD%E7%9B%B8%E4%BA%A4%E4%BA%8E%E7%82%B9O%2C%E2%96%B3AOD%E7%9A%84%E5%B7%B2%E7%9F%A5%3A%E5%A6%82%E5%9B%BE%2C%E5%B9%B3%E8%A1%8C%E5%9B%9B%E8%BE%B9%E5%BD%A2ABCD%E7%9A%84%E5%91%A8%E9%95%BF%E4%B8%BA68cm.%E5%AF%B9%E8%A7%92%E7%BA%BFAC%2CBD%E7%9B%B8%E4%BA%A4%E4%BA%8E%E7%82%B9O%2C%E2%96%B3AOD%E7%9A%84%E5%91%A8%E9%95%BF%E4%B8%8E%E2%96%B3AOB%E7%9A%84%E5%91%A8%E9%95%BF%E4%B9%8B%E5%92%8C%E4%B8%BA80cm%2CBD%EF%BC%9AAC%3D2%EF%BC%9A3%2C%E6%B1%82AC%2CBD+%E7%9A%84%E9%95%BF%E5%9B%BE)
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