[函数] 函數方程

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9 Threads	7 Posts	141 Credits

231908 Posted 2017-12-14 22:40 |Read mode

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54 Threads	160 Posts	1234 Credits

血狼王 Posted 2017-12-14 22:58

提示：反复将(x-1)/(x+1)当做x代入

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2025-5-31 10:36 GMT+8

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