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# Barcallica

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4. ## form: 36^k - 5^m

Now to prove your answer is the smallest. Last digit of result always is 1. We should prove it cannot be 1. 36k = 5m +1, left side is dividable by 4. Right side is not.
5. ## form: 36^k - 5^m

k=1 m=-infinite (though -infinite is not real number)
6. ## form: 36^k - 5^m

k=1 m=2 smallest 11.
7. ## form: 36^k - 5^m

You mean smallest natural?
8. ## The n-gon eats out

I was following the topic to see the solution to this seemingly simple but very interesting problem. And very nice solution by plasmid. Even school kids could understand without any trouble.

11. ## I'm not Jonah

I never try these riddles due to the language /and culture/ incompetency. Could it be drug tablet. I am not sure if I understand the sentences accurately.

15. ## Removing pawns - the game

This is incorrect. This is correct.
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