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LBRY Claims • 周長固定，為什麽圓的面積最大？這個定理被證明了2000多年！李永樂老師講等周定理

289575df8badf35956c3e41b9a1ccfd608998cb1

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Anonymous
Created On
25 Jan 2021 06:56:28 UTC
Transaction ID
afbc68c8f44fb6ca8af2e680e56c3362884e9e539f522e2a67c895cd9aecff12
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Safe for Work
Free
Yes
周長固定，為什麽圓的面積最大？這個定理被證明了2000多年！李永樂老師講等周定理
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