`列方程组解应用题啊!`````````````````````````````甲,乙相距70千米,汽车从甲到乙要2.5小时,而从乙到甲则需2时18分.设汽车在平地上每时行驶30千米,上坡每小时行驶20千米,下坡每小时行驶40千米.问:
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/06 23:23:35
![`列方程组解应用题啊!`````````````````````````````甲,乙相距70千米,汽车从甲到乙要2.5小时,而从乙到甲则需2时18分.设汽车在平地上每时行驶30千米,上坡每小时行驶20千米,下坡每小时行驶40千米.问:](/uploads/image/z/3708086-14-6.jpg?t=%60%E5%88%97%E6%96%B9%E7%A8%8B%E7%BB%84%E8%A7%A3%E5%BA%94%E7%94%A8%E9%A2%98%E5%95%8A%21%60%60%60%60%60%60%60%60%60%60%60%60%60%60%60%60%60%60%60%60%60%60%60%60%60%60%60%60%60%E7%94%B2%2C%E4%B9%99%E7%9B%B8%E8%B7%9D70%E5%8D%83%E7%B1%B3%2C%E6%B1%BD%E8%BD%A6%E4%BB%8E%E7%94%B2%E5%88%B0%E4%B9%99%E8%A6%812.5%E5%B0%8F%E6%97%B6%2C%E8%80%8C%E4%BB%8E%E4%B9%99%E5%88%B0%E7%94%B2%E5%88%99%E9%9C%802%E6%97%B618%E5%88%86.%E8%AE%BE%E6%B1%BD%E8%BD%A6%E5%9C%A8%E5%B9%B3%E5%9C%B0%E4%B8%8A%E6%AF%8F%E6%97%B6%E8%A1%8C%E9%A9%B630%E5%8D%83%E7%B1%B3%2C%E4%B8%8A%E5%9D%A1%E6%AF%8F%E5%B0%8F%E6%97%B6%E8%A1%8C%E9%A9%B620%E5%8D%83%E7%B1%B3%2C%E4%B8%8B%E5%9D%A1%E6%AF%8F%E5%B0%8F%E6%97%B6%E8%A1%8C%E9%A9%B640%E5%8D%83%E7%B1%B3.%E9%97%AE%3A)
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