红蓝两根电线,红比蓝长18.5米,将红截4.5,剩下长度正好是蓝线的两倍,问原来红线有多少米
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![红蓝两根电线,红比蓝长18.5米,将红截4.5,剩下长度正好是蓝线的两倍,问原来红线有多少米](/uploads/image/z/5950652-68-2.jpg?t=%E7%BA%A2%E8%93%9D%E4%B8%A4%E6%A0%B9%E7%94%B5%E7%BA%BF%2C%E7%BA%A2%E6%AF%94%E8%93%9D%E9%95%BF18.5%E7%B1%B3%2C%E5%B0%86%E7%BA%A2%E6%88%AA4.5%2C%E5%89%A9%E4%B8%8B%E9%95%BF%E5%BA%A6%E6%AD%A3%E5%A5%BD%E6%98%AF%E8%93%9D%E7%BA%BF%E7%9A%84%E4%B8%A4%E5%80%8D%2C%E9%97%AE%E5%8E%9F%E6%9D%A5%E7%BA%A2%E7%BA%BF%E6%9C%89%E5%A4%9A%E5%B0%91%E7%B1%B3)
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