正五边形广场ABCDE周长2000m,甲乙两人分别从A,C两点同时出发,沿A—B—C—D—E方向绕广场行走,甲50m/min,乙46m/min,出发后经过多少分钟两人第一次行走在同一条边上?已知实数a b c,满足a+b+c=2,abc=4求a
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![正五边形广场ABCDE周长2000m,甲乙两人分别从A,C两点同时出发,沿A—B—C—D—E方向绕广场行走,甲50m/min,乙46m/min,出发后经过多少分钟两人第一次行走在同一条边上?已知实数a b c,满足a+b+c=2,abc=4求a](/uploads/image/z/5374350-54-0.jpg?t=%E6%AD%A3%E4%BA%94%E8%BE%B9%E5%BD%A2%E5%B9%BF%E5%9C%BAABCDE%E5%91%A8%E9%95%BF2000m%2C%E7%94%B2%E4%B9%99%E4%B8%A4%E4%BA%BA%E5%88%86%E5%88%AB%E4%BB%8EA%2CC%E4%B8%A4%E7%82%B9%E5%90%8C%E6%97%B6%E5%87%BA%E5%8F%91%2C%E6%B2%BFA%E2%80%94B%E2%80%94C%E2%80%94D%E2%80%94E%E6%96%B9%E5%90%91%E7%BB%95%E5%B9%BF%E5%9C%BA%E8%A1%8C%E8%B5%B0%2C%E7%94%B250m%2Fmin%2C%E4%B9%9946m%2Fmin%2C%E5%87%BA%E5%8F%91%E5%90%8E%E7%BB%8F%E8%BF%87%E5%A4%9A%E5%B0%91%E5%88%86%E9%92%9F%E4%B8%A4%E4%BA%BA%E7%AC%AC%E4%B8%80%E6%AC%A1%E8%A1%8C%E8%B5%B0%E5%9C%A8%E5%90%8C%E4%B8%80%E6%9D%A1%E8%BE%B9%E4%B8%8A%3F%E5%B7%B2%E7%9F%A5%E5%AE%9E%E6%95%B0a+b+c%2C%E6%BB%A1%E8%B6%B3a%2Bb%2Bc%3D2%2Cabc%3D4%E6%B1%82a)
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