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2 posts tagged with maths by therubettes.
Displaying 1 through 2 of 2.

Why is with this obviously wrong math?

If I multiply 1¢ by 10¢ I get 10¢? However, if I use the same monetary amounts and express them as dollars and then multiply them: I get $0.01 * $0.10 = $0.001, which is obviously a different answer to 10¢. I know this is wrong and but how and why?
posted by therubettes on Jul 26, 2010 - 18 answers

What are some good, maths, word, movie, logic games that can be played with just your mind in the dark?

I am looking for games/mental activities you can play with nothing but your mind. [more inside]
posted by therubettes on Jun 26, 2010 - 27 answers

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