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5件关于魔方的事，魔方的世界有多魔鬼
45年前，建筑学教授——'鲁比克[艾尔诺·鲁比克]'捣鼓出世界上第一个魔方时，他不过是想给学生做个教具，以便讲解立体几何。没想到“魔方”会成为全世界都流行的玩具。EyeOpener今日话题，魔方的世界有多魔鬼？
这么多冷知识：那些理所当然背后的深意81/115
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