一个台阶你2个一步上剩1级,3个一步上剩2级,5个一步上剩4级,6个一步上剩5级,7个一步上会上完,台阶一共有多少级?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/06 12:03:27
![一个台阶你2个一步上剩1级,3个一步上剩2级,5个一步上剩4级,6个一步上剩5级,7个一步上会上完,台阶一共有多少级?](/uploads/image/z/1009536-24-6.jpg?t=%E4%B8%80%E4%B8%AA%E5%8F%B0%E9%98%B6%E4%BD%A02%E4%B8%AA%E4%B8%80%E6%AD%A5%E4%B8%8A%E5%89%A91%E7%BA%A7%2C3%E4%B8%AA%E4%B8%80%E6%AD%A5%E4%B8%8A%E5%89%A92%E7%BA%A7%2C5%E4%B8%AA%E4%B8%80%E6%AD%A5%E4%B8%8A%E5%89%A94%E7%BA%A7%2C6%E4%B8%AA%E4%B8%80%E6%AD%A5%E4%B8%8A%E5%89%A95%E7%BA%A7%2C7%E4%B8%AA%E4%B8%80%E6%AD%A5%E4%B8%8A%E4%BC%9A%E4%B8%8A%E5%AE%8C%2C%E5%8F%B0%E9%98%B6%E4%B8%80%E5%85%B1%E6%9C%89%E5%A4%9A%E5%B0%91%E7%BA%A7%3F)
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