几何难题如图,EC⊥BC,BA‖DE,BD‖AE,EF=CF,甲,乙二亽同时从B站乘车到F站,甲乘1路车,路线是B-A-E-F;乙乘2路车,路线是B-D-C-F,假设两车速度相同,途中耽误时间相同,那么谁先到达F站?请证明 图弄得不好,
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![几何难题如图,EC⊥BC,BA‖DE,BD‖AE,EF=CF,甲,乙二亽同时从B站乘车到F站,甲乘1路车,路线是B-A-E-F;乙乘2路车,路线是B-D-C-F,假设两车速度相同,途中耽误时间相同,那么谁先到达F站?请证明 图弄得不好,](/uploads/image/z/6086378-2-8.jpg?t=%E5%87%A0%E4%BD%95%E9%9A%BE%E9%A2%98%E5%A6%82%E5%9B%BE%2CEC%E2%8A%A5BC%2CBA%E2%80%96DE%2CBD%E2%80%96AE%2CEF%3DCF%2C%E7%94%B2%2C%E4%B9%99%E4%BA%8C%E4%BA%BD%E5%90%8C%E6%97%B6%E4%BB%8EB%E7%AB%99%E4%B9%98%E8%BD%A6%E5%88%B0F%E7%AB%99%2C%E7%94%B2%E4%B9%981%E8%B7%AF%E8%BD%A6%2C%E8%B7%AF%E7%BA%BF%E6%98%AFB-A-E-F%3B%E4%B9%99%E4%B9%982%E8%B7%AF%E8%BD%A6%2C%E8%B7%AF%E7%BA%BF%E6%98%AFB-D-C-F%2C%E5%81%87%E8%AE%BE%E4%B8%A4%E8%BD%A6%E9%80%9F%E5%BA%A6%E7%9B%B8%E5%90%8C%2C%E9%80%94%E4%B8%AD%E8%80%BD%E8%AF%AF%E6%97%B6%E9%97%B4%E7%9B%B8%E5%90%8C%2C%E9%82%A3%E4%B9%88%E8%B0%81%E5%85%88%E5%88%B0%E8%BE%BEF%E7%AB%99%3F%E8%AF%B7%E8%AF%81%E6%98%8E+%E5%9B%BE%E5%BC%84%E5%BE%97%E4%B8%8D%E5%A5%BD%2C)
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