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在美国的一个数学网站上,有图1这样一个图片,只有图,没有文字说明.这让人很迷惘:在大正方形当中作两个小正方形和2~(1/2)有什么关系啊?
On a maths website in the United States, there is a picture like the one in Picture 1, with only pictures and no textual descriptions, which makes one confused: what is the relationship between two small squares and 2 ~ (1/2) in a large square?