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[Archive!] Pure mathematics, physics, chemistry, etc.: brain-training problems not related to trade in any way - page 488

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TheXpert:
Anything from 6. (Provided 52 is the same).

I've already realised that at any one.

It's a nice task, I'll check my colleagues tomorrow for their ingenuity :)

And what does this have to do with the number system?
And this is a clue, because 10 in 9-system is not divisible by 2 :)
TheXpert:
And this is a clue, because 10 in 9-system is not divisible by 2 :)
Is divisibility by 2 compulsory?
MetaDriver:
Is divisibility by 2 compulsory?
Well, you have to divide equally...
MetaDriver:
Is divisibility by 2 compulsory?
That is the clue.
alsu:
Well, you have to divide it equally...
You don't have to divide evenly, reread the terms and conditions.
Nah, evenly - upside down, not a deck...
Mathemat:
Nah, evenly - upside down, not a deck...
yes. In total darkness, you have to get 2 packs with an equal number of upside-down cards.
MetaDriver:
Is divisibility by 2 compulsory?
No, it doesn't have to. If you change the conditions of the problem from 10 to 9, it is also solvable and in the same way.
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