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若f(x)是偶函数,且当x∈[0,+∞)时,f(x)=x-1,则f(x-1)<0...
若f(x)是偶函数,且当x∈[0,+∞)时,f(x)=x-1,则f(x-1)<0的解集是
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设a>1,函数f(x)=log
ax在区间[a,3a]上的最大值与最小值之差为
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