甲是乙现在的年龄时,乙10岁;乙是甲现在的年龄时,甲25岁,那么甲几岁,乙几岁?(设甲现在年龄X,乙为YX-Y=Y-10 X-Y=25-Y(为什么Y-10,为什么25-Y?年龄差是怎样计算的,怎样知道甲乙哪个大,哪个小?)
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![甲是乙现在的年龄时,乙10岁;乙是甲现在的年龄时,甲25岁,那么甲几岁,乙几岁?(设甲现在年龄X,乙为YX-Y=Y-10 X-Y=25-Y(为什么Y-10,为什么25-Y?年龄差是怎样计算的,怎样知道甲乙哪个大,哪个小?)](/uploads/image/z/9493568-8-8.jpg?t=%E7%94%B2%E6%98%AF%E4%B9%99%E7%8E%B0%E5%9C%A8%E7%9A%84%E5%B9%B4%E9%BE%84%E6%97%B6%2C%E4%B9%9910%E5%B2%81%3B%E4%B9%99%E6%98%AF%E7%94%B2%E7%8E%B0%E5%9C%A8%E7%9A%84%E5%B9%B4%E9%BE%84%E6%97%B6%2C%E7%94%B225%E5%B2%81%2C%E9%82%A3%E4%B9%88%E7%94%B2%E5%87%A0%E5%B2%81%2C%E4%B9%99%E5%87%A0%E5%B2%81%3F%28%E8%AE%BE%E7%94%B2%E7%8E%B0%E5%9C%A8%E5%B9%B4%E9%BE%84X%2C%E4%B9%99%E4%B8%BAYX-Y%3DY-10+X-Y%3D25-Y%EF%BC%88%E4%B8%BA%E4%BB%80%E4%B9%88Y-10%2C%E4%B8%BA%E4%BB%80%E4%B9%8825-Y%3F%E5%B9%B4%E9%BE%84%E5%B7%AE%E6%98%AF%E6%80%8E%E6%A0%B7%E8%AE%A1%E7%AE%97%E7%9A%84%2C%E6%80%8E%E6%A0%B7%E7%9F%A5%E9%81%93%E7%94%B2%E4%B9%99%E5%93%AA%E4%B8%AA%E5%A4%A7%2C%E5%93%AA%E4%B8%AA%E5%B0%8F%3F%EF%BC%89)
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