Random Thoughts XIV: Pizza, Pomegranate Juice, and Shreddies

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so , you are trying to build something for a Civ5 game and the guy randomly chose Serbia and trying to copy the Serbian flag . He says celebratory music , presumably Serbian , also presumably turning out to be a military march or folk song that compares Serbians positively to their neighbours . Probably played in the 1990s in the camps where the Serbs were proudly showing their cosplay of concentration camps of WW ll fame .
 
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I was reading some tests for students one year away from highschool (13-14 year olds), from a local mathematical company. I expected them to be a bit more difficult than that, although they have varying difficulty in the questions. Still, why would you start with something like this, which could very easily be (already as merely tedious) in a regular school test (and only requires not misreading stuff)?

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I actually checked the school book from that year (it was from 2002, despite the conspicuous 2004 in the question) and unless the pupils weren't taught what an exponent of 0 means and had to somehow infer it, this is just not a good question - the answer, if you wish to verify, is
Spoiler :
-217/24.


Only positive would be avoiding the ubiquitous (large perfect square +-1)^2 and similar stuff, but not like this ^^
 
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Kyriakos said:
I was reading some tests for students one year away from highschool (13-14 year olds), from a local mathematical company. I expected them to be a bit more difficult than that, although they have varying difficulty in the questions. Still, why would you start with something like this, which could very easily be (already as merely tedious) in a regular school test (and only requires not misreading stuff)?

View attachment 697181

I actually checked the school book from that year (it was from 2002, despite the conspicuous 2004 in the question) and unless the pupils weren't taught what an exponent of 0 means and had to somehow infer it, this is just not a good question - the answer, if you wish to verify, is
Spoiler :
-217/24.


Only positive would be avoiding the ubiquitous (large perfect square +-1)^2 and similar stuff, but not like this ^^
Click to expand...
How would I use this in any practical way in my life? It looks like a miscellaneous collection of numbers and letters. What does it actually do?
 
Valka D'Ur said:
How would I use this in any practical way in my life? It looks like a miscellaneous collection of numbers and letters. What does it actually do?
Click to expand...
This particular one doesn't seem to do anything, it just tests for ability to use negative exponents and zero as an exponent. Typically in such tests there'd be some convolution regarding factorization of cubes or similar (a^3+b^3 or a^3-b^3) along with second degree polynomial factorization.
It's another reason I didn't like it :)
Basically it asks to you write that it is equal to a^3-[1/(1+a)^2]+4[2a/(2b+a)]+1 and then use the given values.
 
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