285| 3
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[函数] $\sin(x)>x(1-\frac{x}{\pi})(1+\frac{x}{\pi})(1-\frac{x}{2\pi})$ |
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Wir müssen wissen, wir werden wissen.
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Author|
hbghlyj
Posted 2024-11-26 22:16
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Author|
hbghlyj
Posted 2025-1-29 23:23
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