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已知a∈R,函数. (Ⅰ)当a=1时,解不等式f(x)>1; (Ⅱ)若关于x的方程f(x)+2x=0的解集中恰有一个元素,求a的取值范围; (Ⅲ)设a>0,若对任意t∈[﹣1,0],函数f(x...
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高一上学期数学《》真题及答案
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