4道挑战题!1.猫和老鼠在440米的圆形跑道上行走,两人从同一点出发,同向而行20分钟相遇后又走到一起,背向而行4分钟相遇,猫和老鼠每分钟各走多少米?(猫快鼠慢)2.乌龟和兔子同事从甲乙两
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![4道挑战题!1.猫和老鼠在440米的圆形跑道上行走,两人从同一点出发,同向而行20分钟相遇后又走到一起,背向而行4分钟相遇,猫和老鼠每分钟各走多少米?(猫快鼠慢)2.乌龟和兔子同事从甲乙两](/uploads/image/z/10408951-55-1.jpg?t=4%E9%81%93%E6%8C%91%E6%88%98%E9%A2%98%211.%E7%8C%AB%E5%92%8C%E8%80%81%E9%BC%A0%E5%9C%A8440%E7%B1%B3%E7%9A%84%E5%9C%86%E5%BD%A2%E8%B7%91%E9%81%93%E4%B8%8A%E8%A1%8C%E8%B5%B0%2C%E4%B8%A4%E4%BA%BA%E4%BB%8E%E5%90%8C%E4%B8%80%E7%82%B9%E5%87%BA%E5%8F%91%2C%E5%90%8C%E5%90%91%E8%80%8C%E8%A1%8C20%E5%88%86%E9%92%9F%E7%9B%B8%E9%81%87%E5%90%8E%E5%8F%88%E8%B5%B0%E5%88%B0%E4%B8%80%E8%B5%B7%2C%E8%83%8C%E5%90%91%E8%80%8C%E8%A1%8C4%E5%88%86%E9%92%9F%E7%9B%B8%E9%81%87%2C%E7%8C%AB%E5%92%8C%E8%80%81%E9%BC%A0%E6%AF%8F%E5%88%86%E9%92%9F%E5%90%84%E8%B5%B0%E5%A4%9A%E5%B0%91%E7%B1%B3%3F%EF%BC%88%E7%8C%AB%E5%BF%AB%E9%BC%A0%E6%85%A2%EF%BC%892.%E4%B9%8C%E9%BE%9F%E5%92%8C%E5%85%94%E5%AD%90%E5%90%8C%E4%BA%8B%E4%BB%8E%E7%94%B2%E4%B9%99%E4%B8%A4)
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