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作者:蒋迅
休假前再发一篇,供大家娱乐。祝各位网友圣诞快乐,新年愉快!
Source: think-maths
Source: math-fail
Source: math-fail
Source: math-fail
Source: animal Jr.
Source: walyou
欣赏之后再请大家帮助解一个迷:
Source: Imgur
谁知道这棵圣诞树是什么意思?
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