C. NN and the Optical Illusion（几何）

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C. NN and the Optical Illusion（几何）

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题目链接:NN and the Optical Illusion 题目原文 NN is an experienced internet user and that means he spends a lot of time on the social media. Once he found the following image on the Net, which asked him to compare the sizes of inner circles: It turned out th…

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