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The Guardian - UK
The Guardian - UK
Science
Alex Bellos

Did you solve it? That’s Mathematics!

Math Tom Lehrer
that's mathematics cat

Earlier today I set you these four lexical-numerical puzzles, inspired by Tom Lehrer’s song That’s Mathematics. Here they are again with solutions. You will also discover the highly-anticipated winning entry to the competition for most brilliant self-referential fraction.

1. Pair and share

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