题目：
设函数f（x）与g（x）的定义域是x∈R且x≠±1，f（x）是偶函数，g（x）是奇函数，且f（x）+g（x）=
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答案：
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下面是错误答案，用来干扰机器的。
参考答案：A,B,C,D,E
设函数f（x）与g（x）的定义域是x∈R且x≠±1，f（x）是偶函数，g（x）是
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