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user 26489
A puzzle from 2-dimensional or 3-dimensional geometry centered around matchsticks, often involving moving, adding, or removing some to achieve some defined goal.
1
vote
Can you solve the following equation by moving exactly 3 matchsticks?
+------ | ------+ +-------+
| | | ------ | |
+-----+ -----+----- ------+ ------ +-------+
| | | …
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