一道小学数奥题甲乙两车同时从东西两站出发,第一次相遇离东站60KM,然后继续前进在距中点西侧30KM处第二次相遇,求两站相距多少千米?书本给出的答案是:(60*3+30)/1.5=140我用二次方程能够
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/01 18:03:57
![一道小学数奥题甲乙两车同时从东西两站出发,第一次相遇离东站60KM,然后继续前进在距中点西侧30KM处第二次相遇,求两站相距多少千米?书本给出的答案是:(60*3+30)/1.5=140我用二次方程能够](/uploads/image/z/665370-18-0.jpg?t=%E4%B8%80%E9%81%93%E5%B0%8F%E5%AD%A6%E6%95%B0%E5%A5%A5%E9%A2%98%E7%94%B2%E4%B9%99%E4%B8%A4%E8%BD%A6%E5%90%8C%E6%97%B6%E4%BB%8E%E4%B8%9C%E8%A5%BF%E4%B8%A4%E7%AB%99%E5%87%BA%E5%8F%91%2C%E7%AC%AC%E4%B8%80%E6%AC%A1%E7%9B%B8%E9%81%87%E7%A6%BB%E4%B8%9C%E7%AB%9960KM%2C%E7%84%B6%E5%90%8E%E7%BB%A7%E7%BB%AD%E5%89%8D%E8%BF%9B%E5%9C%A8%E8%B7%9D%E4%B8%AD%E7%82%B9%E8%A5%BF%E4%BE%A730KM%E5%A4%84%E7%AC%AC%E4%BA%8C%E6%AC%A1%E7%9B%B8%E9%81%87%2C%E6%B1%82%E4%B8%A4%E7%AB%99%E7%9B%B8%E8%B7%9D%E5%A4%9A%E5%B0%91%E5%8D%83%E7%B1%B3%3F%E4%B9%A6%E6%9C%AC%E7%BB%99%E5%87%BA%E7%9A%84%E7%AD%94%E6%A1%88%E6%98%AF%EF%BC%9A%EF%BC%8860%2A3%2B30%EF%BC%89%2F1.5%3D140%E6%88%91%E7%94%A8%E4%BA%8C%E6%AC%A1%E6%96%B9%E7%A8%8B%E8%83%BD%E5%A4%9F)
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