1.山脚到山顶有24千米.一个人以每小时4千米的速度上山,他立即从原路下山,已知上山和下山的平均速度是4.8千米.这人下山每小时行多少千米?2..甲、乙两根绳子共长22米,甲绳截去20% 后,乙绳
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/06 15:44:03
![1.山脚到山顶有24千米.一个人以每小时4千米的速度上山,他立即从原路下山,已知上山和下山的平均速度是4.8千米.这人下山每小时行多少千米?2..甲、乙两根绳子共长22米,甲绳截去20% 后,乙绳](/uploads/image/z/12650105-65-5.jpg?t=1.%E5%B1%B1%E8%84%9A%E5%88%B0%E5%B1%B1%E9%A1%B6%E6%9C%8924%E5%8D%83%E7%B1%B3.%E4%B8%80%E4%B8%AA%E4%BA%BA%E4%BB%A5%E6%AF%8F%E5%B0%8F%E6%97%B64%E5%8D%83%E7%B1%B3%E7%9A%84%E9%80%9F%E5%BA%A6%E4%B8%8A%E5%B1%B1%2C%E4%BB%96%E7%AB%8B%E5%8D%B3%E4%BB%8E%E5%8E%9F%E8%B7%AF%E4%B8%8B%E5%B1%B1%2C%E5%B7%B2%E7%9F%A5%E4%B8%8A%E5%B1%B1%E5%92%8C%E4%B8%8B%E5%B1%B1%E7%9A%84%E5%B9%B3%E5%9D%87%E9%80%9F%E5%BA%A6%E6%98%AF4.8%E5%8D%83%E7%B1%B3.%E8%BF%99%E4%BA%BA%E4%B8%8B%E5%B1%B1%E6%AF%8F%E5%B0%8F%E6%97%B6%E8%A1%8C%E5%A4%9A%E5%B0%91%E5%8D%83%E7%B1%B3%3F2.%EF%BC%8E%E7%94%B2%E3%80%81%E4%B9%99%E4%B8%A4%E6%A0%B9%E7%BB%B3%E5%AD%90%E5%85%B1%E9%95%BF22%E7%B1%B3%2C%E7%94%B2%E7%BB%B3%E6%88%AA%E5%8E%BB20%25+%E5%90%8E%2C%E4%B9%99%E7%BB%B3)
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