已知三个边长分别为2,3,5的正方形如图排列,则图中阴影部分面积为?中间下面梯形上底=2t=1,下底5t=2.
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![已知三个边长分别为2,3,5的正方形如图排列,则图中阴影部分面积为?中间下面梯形上底=2t=1,下底5t=2.](/uploads/image/z/1051634-2-4.jpg?t=%E5%B7%B2%E7%9F%A5%E4%B8%89%E4%B8%AA%E8%BE%B9%E9%95%BF%E5%88%86%E5%88%AB%E4%B8%BA2%2C3%2C5%E7%9A%84%E6%AD%A3%E6%96%B9%E5%BD%A2%E5%A6%82%E5%9B%BE%E6%8E%92%E5%88%97%2C%E5%88%99%E5%9B%BE%E4%B8%AD%E9%98%B4%E5%BD%B1%E9%83%A8%E5%88%86%E9%9D%A2%E7%A7%AF%E4%B8%BA%3F%E4%B8%AD%E9%97%B4%E4%B8%8B%E9%9D%A2%E6%A2%AF%E5%BD%A2%E4%B8%8A%E5%BA%95%3D2t%3D1%EF%BC%8C%E4%B8%8B%E5%BA%955t%3D2.)
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