SCHOOL TIME

Quickly solving Rubik’s cubes

作者：Lü YIMING

我能玩转神奇的魔方！

The Rubik’s cube is popular all over the world. Hungarian professor Erno Rubik invented it in 1974. It’s one of the hardest puzzles ever created. Have you ever tried to solve a Rubik’s cube? How quickly can you finish it?

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