The circle is symmetric, so place one point anywhere and ask whether the other three land in the same semicircle. Each of those 3 points independently has a 1/21/21/2 chance of landing in that half, so the probability should be (1/2)3=1/8=12.5%(1/2)^3 = 1/8 = 12.5\%(1/2)3=1/8=12.5%.
Фото: Pavel Bednyakov / Pool / Reuters
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2025年，是月之暗面全面开源的一年，这帮助其在社区层面获得开发者声量与生态势能，并提前建立了技术影响力。
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