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已知函数f(x)=x+log2(2x) (1)求函数f(x)的定义域; (2)求f(1),f(8)的值; (3)当a>0,求的值.
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高一上学期数学《2017-2018学年广东省茂名十中高一(上)期中数学试卷》真题及答案
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