列方程接应用题(要有过程!)好的绝对加分!1.小明、小杰两人在周长是400米得环形跑道上散步,若两人从同时同地背道而行,则经过分钟就相遇;若两人从同时同地同向而行,则经过20分钟后相
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![列方程接应用题(要有过程!)好的绝对加分!1.小明、小杰两人在周长是400米得环形跑道上散步,若两人从同时同地背道而行,则经过分钟就相遇;若两人从同时同地同向而行,则经过20分钟后相](/uploads/image/z/4098766-22-6.jpg?t=%E5%88%97%E6%96%B9%E7%A8%8B%E6%8E%A5%E5%BA%94%E7%94%A8%E9%A2%98%EF%BC%88%E8%A6%81%E6%9C%89%E8%BF%87%E7%A8%8B%21%EF%BC%89%E5%A5%BD%E7%9A%84%E7%BB%9D%E5%AF%B9%E5%8A%A0%E5%88%86%211.%E5%B0%8F%E6%98%8E%E3%80%81%E5%B0%8F%E6%9D%B0%E4%B8%A4%E4%BA%BA%E5%9C%A8%E5%91%A8%E9%95%BF%E6%98%AF400%E7%B1%B3%E5%BE%97%E7%8E%AF%E5%BD%A2%E8%B7%91%E9%81%93%E4%B8%8A%E6%95%A3%E6%AD%A5%2C%E8%8B%A5%E4%B8%A4%E4%BA%BA%E4%BB%8E%E5%90%8C%E6%97%B6%E5%90%8C%E5%9C%B0%E8%83%8C%E9%81%93%E8%80%8C%E8%A1%8C%2C%E5%88%99%E7%BB%8F%E8%BF%87%E5%88%86%E9%92%9F%E5%B0%B1%E7%9B%B8%E9%81%87%EF%BC%9B%E8%8B%A5%E4%B8%A4%E4%BA%BA%E4%BB%8E%E5%90%8C%E6%97%B6%E5%90%8C%E5%9C%B0%E5%90%8C%E5%90%91%E8%80%8C%E8%A1%8C%2C%E5%88%99%E7%BB%8F%E8%BF%8720%E5%88%86%E9%92%9F%E5%90%8E%E7%9B%B8)
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