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Digit $$x$$ is an integer between 1 and 8, inclusive, and $$y=x+1$$. If the 3-digit integer with hundreds digit $$x$$, tens digit $$y$$, and units digit 4 were subtracted from the 3 digit integer with hundreds digit $$y$$, tens digit $$x$$, and units digit 4, the result would be equal to
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· 相关考点
1.1.1 数位与数值
以上解析由 考满分老师提供。
