设,,求f[f(x)],g[g(x)],f[g(x)],g[f(x)].

设<img src='https://img2.soutiyun.com/ask/2020-03-10/952670353111766.png' />,求f[f(x)],g[g(x)],f[g(x)],g[f(x)].

时间:2023-03-26 17:42:17

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