4^((x^2)-2x-3)

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4^((x^2)-2x-3)4^((x^2)-2x-3)4^((x^2)-2x-3)不好意思前面算错了,答案:-3

4^((x^2)-2x-3)
4^((x^2)-2x-3)

4^((x^2)-2x-3)
不好意思前面算错了,答案:-3

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