求解 有十瓶药,每瓶里装有100片药,有8瓶里的药每片10克,有两瓶每片9克,有一个够精准的电子秤

2025-04-08 03:49:20
推荐回答(3个)
回答1:

2 3 5 7 11 13 17 19 23 29 这就相当于为药瓶作标记。假设每片药为10克。则应当称出550克。而因为有两瓶只有9克,实际结果小于550克。这个差值就是“假药A的颗数”+“假药B的颗数”。然后据此判断是第几瓶和第几瓶。做到这里,又产生了“组合”的要求。题目要求每个组合都不相等,即数列中任意两个数相加不相等。因此可以取一组质数(质数的组合都不相等)。我取了这一组2 3 5 7 11 13 17 19 23 29

回答2:

0-100数字中取10个一组数字,数字必须两个相加不能有相同答案,所有数字相加不能超过165.(科学取法我也不知道怎么取,我只会硬凑)。然后按数字从瓶子依次拿出药物一起称,得出一个重量,再用你取的数字相加的和X10克-所称的重量得出有几个药物是9克的。然后用你取10个数字两两相加,对上9克药物数量的就是轻瓶。
另外,你的标准答案是错误的,假如少10克,可以使2+8,4+6,1+9,3+7,无法判断

回答3:

每瓶取一粒依次放到电子秤上每放一粒观察重量变化很快就知道结果了

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