把四张相同的小长方卡片不重叠地放在一个底面为长方形ABCD(AB=acm,BC=bcm)的盒子底部,盒子地面未被卡片覆盖的部分用阴影表示,求图中两块阴影部分周长的和p.
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![把四张相同的小长方卡片不重叠地放在一个底面为长方形ABCD(AB=acm,BC=bcm)的盒子底部,盒子地面未被卡片覆盖的部分用阴影表示,求图中两块阴影部分周长的和p.](/uploads/image/z/4541774-14-4.jpg?t=%E6%8A%8A%E5%9B%9B%E5%BC%A0%E7%9B%B8%E5%90%8C%E7%9A%84%E5%B0%8F%E9%95%BF%E6%96%B9%E5%8D%A1%E7%89%87%E4%B8%8D%E9%87%8D%E5%8F%A0%E5%9C%B0%E6%94%BE%E5%9C%A8%E4%B8%80%E4%B8%AA%E5%BA%95%E9%9D%A2%E4%B8%BA%E9%95%BF%E6%96%B9%E5%BD%A2ABCD%EF%BC%88AB%3Dacm%2CBC%3Dbcm%EF%BC%89%E7%9A%84%E7%9B%92%E5%AD%90%E5%BA%95%E9%83%A8%2C%E7%9B%92%E5%AD%90%E5%9C%B0%E9%9D%A2%E6%9C%AA%E8%A2%AB%E5%8D%A1%E7%89%87%E8%A6%86%E7%9B%96%E7%9A%84%E9%83%A8%E5%88%86%E7%94%A8%E9%98%B4%E5%BD%B1%E8%A1%A8%E7%A4%BA%2C%E6%B1%82%E5%9B%BE%E4%B8%AD%E4%B8%A4%E5%9D%97%E9%98%B4%E5%BD%B1%E9%83%A8%E5%88%86%E5%91%A8%E9%95%BF%E7%9A%84%E5%92%8Cp.)
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