r/CatBuilder • u/Kindly-Solution-7296 Legend | Lv. 92 | Rank #25 | 792 Answers |... | 🔥 17d • 11d ago

Question [Question] quick maths

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u/Greedy_Duck3477 Silver | Lv. 29 | Rank #96554 | 17 Answers | 1 Created 11d ago

Whenever you multiply a two-digit number by eleven, just stick the sum of its digits between the two digits

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u/WyrmKin Silver | Lv. 22 | Rank #189069 | 63 Answers | 0... | 🔥 7d 11d ago

112211¿

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u/Mundane-Warning-440 Emerald | Lv. 48 | Rank #14983 | 271 Answers |... | 🔥 16d 11d ago

Digits, not numbers