有一人患了流感,经过两轮传染后,有121人患了流感,每轮传染中平均一个人传染了几个人?如果按这样的传播速度,三轮传染后有多少人患了流感?求第三轮的要有列式哦!最好用一元二次方程!
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/17 03:47:46
![有一人患了流感,经过两轮传染后,有121人患了流感,每轮传染中平均一个人传染了几个人?如果按这样的传播速度,三轮传染后有多少人患了流感?求第三轮的要有列式哦!最好用一元二次方程!](/uploads/image/z/5397010-34-0.jpg?t=%E6%9C%89%E4%B8%80%E4%BA%BA%E6%82%A3%E4%BA%86%E6%B5%81%E6%84%9F%2C%E7%BB%8F%E8%BF%87%E4%B8%A4%E8%BD%AE%E4%BC%A0%E6%9F%93%E5%90%8E%2C%E6%9C%89121%E4%BA%BA%E6%82%A3%E4%BA%86%E6%B5%81%E6%84%9F%2C%E6%AF%8F%E8%BD%AE%E4%BC%A0%E6%9F%93%E4%B8%AD%E5%B9%B3%E5%9D%87%E4%B8%80%E4%B8%AA%E4%BA%BA%E4%BC%A0%E6%9F%93%E4%BA%86%E5%87%A0%E4%B8%AA%E4%BA%BA%3F%E5%A6%82%E6%9E%9C%E6%8C%89%E8%BF%99%E6%A0%B7%E7%9A%84%E4%BC%A0%E6%92%AD%E9%80%9F%E5%BA%A6%2C%E4%B8%89%E8%BD%AE%E4%BC%A0%E6%9F%93%E5%90%8E%E6%9C%89%E5%A4%9A%E5%B0%91%E4%BA%BA%E6%82%A3%E4%BA%86%E6%B5%81%E6%84%9F%3F%E6%B1%82%E7%AC%AC%E4%B8%89%E8%BD%AE%E7%9A%84%E8%A6%81%E6%9C%89%E5%88%97%E5%BC%8F%E5%93%A6%EF%BC%81%E6%9C%80%E5%A5%BD%E7%94%A8%E4%B8%80%E5%85%83%E4%BA%8C%E6%AC%A1%E6%96%B9%E7%A8%8B%EF%BC%81)
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