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[组合] 小球称重找出坏球,两个坏球之和等于两个好球之和

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abababa Posted at 2024-12-16 17:30:23 |Read mode
是这个链接的一个简化版本:kuing.cjhb.site/forum.php?mod=viewthread&tid=7143
有9个小球,其中有两个坏球,分别是1.5克和0.5克,其它的都是标准球,标准球是1克。用没有砝码的天平最少称几次,能找出这两个坏球?

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2025-4-21 22:05 GMT+8

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