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有人告诉我,“nthroot 是一个函数,可以为您提供实数的 n 次根。” 用 7 替换 n,我尝试了 '7throot(49)' 的变体,但无济于事。我哪里错了?
查看nthroot的文档。
你需要使用nthroot(49,7).
nthroot(49,7)