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题目又没有复杂公式,为啥不打字而贴图呢? 只要证明有根即可,设 f(x) 在 x=a 处取最小值,在 x=b 处取最 ... kuing 发表于 2021-11-26 23:22
$\LaTeX$ formula tutorial Reply post To last page
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2025-7-15 13:58 GMT+8
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