客船从甲港开往乙港,货船从乙港开往甲港,两船同时相向而行,经10小时后相遇.相遇后两船又继续行驶2小时,这时客船离乙港还有420km,货船离甲港还有580km,甲乙两港相距多少千米?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/28 09:54:42
![客船从甲港开往乙港,货船从乙港开往甲港,两船同时相向而行,经10小时后相遇.相遇后两船又继续行驶2小时,这时客船离乙港还有420km,货船离甲港还有580km,甲乙两港相距多少千米?](/uploads/image/z/5205058-34-8.jpg?t=%E5%AE%A2%E8%88%B9%E4%BB%8E%E7%94%B2%E6%B8%AF%E5%BC%80%E5%BE%80%E4%B9%99%E6%B8%AF%2C%E8%B4%A7%E8%88%B9%E4%BB%8E%E4%B9%99%E6%B8%AF%E5%BC%80%E5%BE%80%E7%94%B2%E6%B8%AF%2C%E4%B8%A4%E8%88%B9%E5%90%8C%E6%97%B6%E7%9B%B8%E5%90%91%E8%80%8C%E8%A1%8C%2C%E7%BB%8F10%E5%B0%8F%E6%97%B6%E5%90%8E%E7%9B%B8%E9%81%87.%E7%9B%B8%E9%81%87%E5%90%8E%E4%B8%A4%E8%88%B9%E5%8F%88%E7%BB%A7%E7%BB%AD%E8%A1%8C%E9%A9%B62%E5%B0%8F%E6%97%B6%2C%E8%BF%99%E6%97%B6%E5%AE%A2%E8%88%B9%E7%A6%BB%E4%B9%99%E6%B8%AF%E8%BF%98%E6%9C%89420km%2C%E8%B4%A7%E8%88%B9%E7%A6%BB%E7%94%B2%E6%B8%AF%E8%BF%98%E6%9C%89580km%2C%E7%94%B2%E4%B9%99%E4%B8%A4%E6%B8%AF%E7%9B%B8%E8%B7%9D%E5%A4%9A%E5%B0%91%E5%8D%83%E7%B1%B3%3F)
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客船从甲港开往乙港,货船从乙港开往甲港,两船同时相向而行,经10小时后相遇.相遇后两船又继续行驶2小时,这时客船离乙港还有420km,货船离甲港还有580km,甲乙两港相距多少千米?
客船从甲港开往乙港,货船从乙港开往甲港,两船同时相向而行,经10小时后相遇.
相遇后两船又继续行驶2小时,这时客船离乙港还有420km,货船离甲港还有580km,甲乙两港相距多少千米?
客船从甲港开往乙港,货船从乙港开往甲港,两船同时相向而行,经10小时后相遇.相遇后两船又继续行驶2小时,这时客船离乙港还有420km,货船离甲港还有580km,甲乙两港相距多少千米?
2小时行全程的2×1/10=1/5
则剩下的是1-1/5=4/5
所以相距(420+580)÷4/5=1250千米