请用高中不等式解决一道初中几何题已知:正方形ABCD的边长为4,点E在边BC上,CE=1,线段MN在对角线AC上,MN=根号2,连BM,EN.问3、当线段MN在对角线AC上运动时,BM+EN的最小值为多少?答案是根号13.除了初
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![请用高中不等式解决一道初中几何题已知:正方形ABCD的边长为4,点E在边BC上,CE=1,线段MN在对角线AC上,MN=根号2,连BM,EN.问3、当线段MN在对角线AC上运动时,BM+EN的最小值为多少?答案是根号13.除了初](/uploads/image/z/10375223-23-3.jpg?t=%E8%AF%B7%E7%94%A8%E9%AB%98%E4%B8%AD%E4%B8%8D%E7%AD%89%E5%BC%8F%E8%A7%A3%E5%86%B3%E4%B8%80%E9%81%93%E5%88%9D%E4%B8%AD%E5%87%A0%E4%BD%95%E9%A2%98%E5%B7%B2%E7%9F%A5%EF%BC%9A%E6%AD%A3%E6%96%B9%E5%BD%A2ABCD%E7%9A%84%E8%BE%B9%E9%95%BF%E4%B8%BA4%2C%E7%82%B9E%E5%9C%A8%E8%BE%B9BC%E4%B8%8A%2CCE%3D1%2C%E7%BA%BF%E6%AE%B5MN%E5%9C%A8%E5%AF%B9%E8%A7%92%E7%BA%BFAC%E4%B8%8A%2CMN%3D%E6%A0%B9%E5%8F%B72%2C%E8%BF%9EBM%2CEN.%E9%97%AE3%E3%80%81%E5%BD%93%E7%BA%BF%E6%AE%B5MN%E5%9C%A8%E5%AF%B9%E8%A7%92%E7%BA%BFAC%E4%B8%8A%E8%BF%90%E5%8A%A8%E6%97%B6%2CBM%2BEN%E7%9A%84%E6%9C%80%E5%B0%8F%E5%80%BC%E4%B8%BA%E5%A4%9A%E5%B0%91%3F%E7%AD%94%E6%A1%88%E6%98%AF%E6%A0%B9%E5%8F%B713.%E9%99%A4%E4%BA%86%E5%88%9D)
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