246| 5
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$\int_0^1x(1-x^4)^{\frac 32}\mathrm dx$——绕圈子了吧 |
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Author|
isee
Posted at 2022-4-19 22:03:00
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Author|
isee
Posted at 2022-4-19 22:58:06
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手机版Mobile version|Leisure Math Forum
2025-4-21 14:18 GMT+8
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