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kuing 发表于 2024-4-12 22:17 即 `f(x)=x^3-x+(Ax+C)/B` 有三个零点且等差,设三零点为 `x_1<x_2<x_3`,则 `f(x)` 可分解为 `f(x)=(x-x_1 ...
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2025-6-5 12:52 GMT+8
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