一些逻辑训练的谜题：娜塔莎、十二点钟和茶
我的同事，娜塔莎喜欢小孩子，就给他们出了一些题。而我在十二点钟和娜塔莎闲谈时，总会为她补充一些，而她也觉得这还不错。到了下午，我们一起喝茶时，我们会把饼干放在鸟笼边，猫头鹰则会将其啄成碎片。我们的生活就是这样悠闲地度过的，和这所大学里的本科生的终日忙碌仿佛处在两个世界，他们没有心情欣赏校园里的建筑多么有艺术感，也看不见柳树和池塘蕴含着十四行诗——就算你不是莎士比亚也可以发现——只等着被抓出来和记录下来，但我们是刚好反过来的。
在这里，我会归纳一些我们设计的，助益于逻辑能力的谜题。
在这里，我会归纳一些我们设计的，助益于逻辑能力的谜题。
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You see, @okamiyu , all rational numbers(which natural numbers belong to) can have a name of a unique natural number. All rational numbers(now I only talk about the positive numbers) can be written as p/q, where p and q are natural numbers, thus I just need to name them in this order:
1/1 will be named as "the 1st number"
1/2 will be named as "the 2nd number"
2/1 will be named as "the 3rd number"
1/3 will be named as "the 4th number"
2/2 is actually 1/1, let's skip it
3/1 will be named as "the 5th number"
1/4 will be named as "the 6th number"
........
1/1 will be named as "the 1st number"
1/2 will be named as "the 2nd number"
2/1 will be named as "the 3rd number"
1/3 will be named as "the 4th number"
2/2 is actually 1/1, let's skip it
3/1 will be named as "the 5th number"
1/4 will be named as "the 6th number"
........