一游泳池长100m,甲乙二人分别在两边相向而游15分钟,甲81m/分,乙89m/分,甲从乙身边经过多少次?网上说“能迎面相遇【(81+89)×15+100】÷200,取整是13次”,好像有问题,好像是减100,答案可能不
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/10 18:23:34
![一游泳池长100m,甲乙二人分别在两边相向而游15分钟,甲81m/分,乙89m/分,甲从乙身边经过多少次?网上说“能迎面相遇【(81+89)×15+100】÷200,取整是13次”,好像有问题,好像是减100,答案可能不](/uploads/image/z/3679342-70-2.jpg?t=%E4%B8%80%E6%B8%B8%E6%B3%B3%E6%B1%A0%E9%95%BF100m%2C%E7%94%B2%E4%B9%99%E4%BA%8C%E4%BA%BA%E5%88%86%E5%88%AB%E5%9C%A8%E4%B8%A4%E8%BE%B9%E7%9B%B8%E5%90%91%E8%80%8C%E6%B8%B815%E5%88%86%E9%92%9F%2C%E7%94%B281m%2F%E5%88%86%2C%E4%B9%9989m%2F%E5%88%86%2C%E7%94%B2%E4%BB%8E%E4%B9%99%E8%BA%AB%E8%BE%B9%E7%BB%8F%E8%BF%87%E5%A4%9A%E5%B0%91%E6%AC%A1%3F%E7%BD%91%E4%B8%8A%E8%AF%B4%E2%80%9C%E8%83%BD%E8%BF%8E%E9%9D%A2%E7%9B%B8%E9%81%87%E3%80%90%EF%BC%8881%EF%BC%8B89%EF%BC%89%C3%9715%EF%BC%8B100%E3%80%91%C3%B7200%2C%E5%8F%96%E6%95%B4%E6%98%AF13%E6%AC%A1%E2%80%9D%2C%E5%A5%BD%E5%83%8F%E6%9C%89%E9%97%AE%E9%A2%98%2C%E5%A5%BD%E5%83%8F%E6%98%AF%E5%87%8F100%2C%E7%AD%94%E6%A1%88%E5%8F%AF%E8%83%BD%E4%B8%8D)
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