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> Mgf Mathletics, NERDZ only! XD

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Puzzler
post May 27 2007, 05:12 PM
Post #1





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E ovako...

Po cenu da zauvek budem obeležen kao najveći štreber na forumu, pokrećem ovu "igru" u nadi da će bar neko hteti da se igra.

Ideja je sledeća:
Učesnici redom postavljaju zadatke ISKLJUČIVO iz matematike, a onaj ko tačno reši, sledeći postavlja. Poll služi da, kao u igri "Pogodite igru" prikaže rezultate (čisto sumnjam da će biti više od 20 učesnika), i zamolio bih admine da je povremeno edituju biggrin.gif .
I još jedna stvar: Let's face it, nemojmo postavljati baš extra teške AKA takmičarske zadatke, ili one smarajuće iz knjiga, već nešto zaista interesantno, što zahteva razmišljanje, intelekt, i pre svega, talenat, a ne teoreme i that kind of crap.

Now...
Let the Games - BEGIN!

Zadatak[1]:
Ako je 2f(n)+{\frac {1}{2}}f({\frac {1}{n}})=n, odrediti f(2).


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pyost
post May 31 2007, 04:55 PM
Post #2


Deus Ex Makina
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Evo ja cu da ti pojasnim rolleyes.gif

2*f({1 \over 2})+{1 \over 2}*f(2)={1 \over 2}

2*f(2)+{1 \over 2}*f({1 \over 2})=2 \quad /*4

=>

2*f({1 \over 2})+{1 \over 2}*f(2)={1 \over 2}

8*f(2)+2*f({1 \over 2})=8

Kada od druge jednacine oduzmemo prvu, dobijamo

7{1 \over 2}*f(2)=7{1 \over 2}

Odnosno

f(2)=1


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Posts in this topic
Puzzler   Mgf Mathletics   May 27 2007, 05:12 PM
^_NiN0_^   RE: Mgf Mathletics   May 27 2007, 05:39 PM
Puzzler   RE: Mgf Mathletics   May 27 2007, 05:52 PM
pyost   RE: Mgf Mathletics   May 27 2007, 05:45 PM
Turgon   RE: Mgf Mathletics   May 30 2007, 11:39 PM
Pera Detlic   RE: Mgf Mathletics   May 31 2007, 12:30 AM
paydoman   RE: Mgf Mathletics   May 31 2007, 04:28 PM
pyost   RE: Mgf Mathletics   May 31 2007, 04:55 PM
Pera Detlic   RE: Mgf Mathletics   May 31 2007, 07:02 PM
pyost   RE: Mgf Mathletics   May 31 2007, 07:26 PM
RZA   RE: Mgf Mathletics   May 31 2007, 08:57 PM
NeverMore21   RE: Mgf Mathletics   May 31 2007, 09:17 PM
NeverMore21   RE: Mgf Mathletics   May 31 2007, 09:19 PM
Pera Detlic   RE: Mgf Mathletics   May 31 2007, 09:44 PM
NeverMore21   RE: Mgf Mathletics   May 31 2007, 10:07 PM
Pera Detlic   RE: Mgf Mathletics   May 31 2007, 10:12 PM
Grashak   RE: Mgf Mathletics   May 31 2007, 10:18 PM
Pera Detlic   RE: Mgf Mathletics   May 31 2007, 10:27 PM
NeverMore21   RE: Mgf Mathletics   May 31 2007, 10:19 PM
Grashak   RE: Mgf Mathletics   May 31 2007, 10:28 PM
Pera Detlic   RE: Mgf Mathletics   May 31 2007, 10:29 PM
Grashak   RE: Mgf Mathletics   May 31 2007, 10:30 PM
Pera Detlic   RE: Mgf Mathletics   May 31 2007, 10:31 PM
Grashak   RE: Mgf Mathletics   May 31 2007, 10:32 PM
NeverMore21   RE: Mgf Mathletics   May 31 2007, 10:29 PM
smorko_gusic   RE: Mgf Mathletics   May 31 2007, 10:30 PM
Grashak   RE: Mgf Mathletics   May 31 2007, 10:31 PM
NeverMore21   RE: Mgf Mathletics   May 31 2007, 10:32 PM
NeverMore21   RE: Mgf Mathletics   May 31 2007, 10:35 PM
Pera Detlic   RE: Mgf Mathletics   May 31 2007, 11:03 PM
Pera Detlic   RE: Mgf Mathletics   May 31 2007, 11:17 PM
smorko_gusic   RE: Mgf Mathletics   Jun 1 2007, 11:08 AM
pyost   RE: Mgf Mathletics   Jun 1 2007, 05:41 PM
rvukasin   RE: Mgf Mathletics   Jun 1 2007, 06:20 PM
rvukasin   RE: Mgf Mathletics   Jun 2 2007, 04:35 PM
paydoman   RE: Mgf Mathletics   Jun 9 2007, 04:48 PM
rvukasin   RE: Mgf Mathletics   Jun 9 2007, 08:28 PM
Nostradamus   RE: Mgf Mathletics   Feb 3 2008, 03:57 PM
maxydelanoche   RE: Mgf Mathletics   Jun 2 2007, 05:02 PM
rvukasin   RE: Mgf Mathletics   Jun 2 2007, 05:33 PM
^_NiN0_^   RE: Mgf Mathletics   Jun 9 2007, 08:39 PM
Puzzler   RE: Mgf Mathletics   Jun 9 2007, 08:54 PM
rvukasin   RE: Mgf Mathletics   Jun 9 2007, 10:00 PM
^_NiN0_^   RE: Mgf Mathletics   Jun 9 2007, 09:01 PM
maxydelanoche   RE: Mgf Mathletics   Jun 11 2007, 08:08 PM
Pera Detlic   RE: Mgf Mathletics   Jun 11 2007, 08:29 PM
paydoman   RE: Mgf Mathletics   Jun 14 2007, 10:41 PM
Wolfbrother   RE: Mgf Mathletics   Feb 18 2008, 08:29 PM
username   RE: Mgf Mathletics   Feb 19 2008, 03:32 PM
pyost   RE: Mgf Mathletics   Feb 19 2008, 03:37 PM
username   RE: Mgf Mathletics   Feb 19 2008, 04:20 PM
Nostradamus   RE: Mgf Mathletics   Feb 19 2008, 08:20 PM
VIP <3   RE: Mgf Mathletics   Feb 21 2008, 03:34 PM
username   RE: Mgf Mathletics   Feb 19 2008, 10:11 PM
Nostradamus   RE: Mgf Mathletics   Feb 21 2008, 03:14 PM
username   RE: Mgf Mathletics   Feb 21 2008, 04:12 PM
Nostradamus   RE: Mgf Mathletics   Feb 23 2008, 02:34 AM
Wolfbrother   RE: Mgf Mathletics   Feb 23 2008, 09:17 AM
Nostradamus   RE: Mgf Mathletics   Feb 23 2008, 01:42 PM
username   RE: Mgf Mathletics   Feb 23 2008, 01:09 PM
Wolfbrother   RE: Mgf Mathletics   Feb 23 2008, 03:55 PM
Wolfbrother   RE: Mgf Mathletics   Feb 23 2008, 04:23 PM
Nostradamus   RE: Mgf Mathletics   Feb 24 2008, 08:51 PM
username   RE: Mgf Mathletics   Feb 24 2008, 08:54 PM
Nostradamus   RE: Mgf Mathletics   Feb 24 2008, 09:03 PM
username   RE: Mgf Mathletics   Feb 24 2008, 09:06 PM
pyost   RE: Mgf Mathletics   Feb 24 2008, 09:06 PM
Wolfbrother   RE: Mgf Mathletics   Feb 25 2008, 05:40 PM
Nostradamus   RE: Mgf Mathletics   Feb 25 2008, 06:50 PM
Wolfbrother   RE: Mgf Mathletics   Feb 25 2008, 06:53 PM
Wolfbrother   RE: Mgf Mathletics   Feb 25 2008, 07:14 PM
Wolfbrother   RE: Mgf Mathletics   Feb 25 2008, 07:28 PM
Nostradamus   RE: Mgf Mathletics   Feb 25 2008, 07:30 PM
Wolfbrother   RE: Mgf Mathletics   Feb 25 2008, 07:30 PM
Nostradamus   RE: Mgf Mathletics   Feb 29 2008, 02:49 AM
Wolfbrother   RE: Mgf Mathletics   Feb 27 2008, 12:26 PM
Nostradamus   RE: Mgf Mathletics   Feb 27 2008, 05:14 PM
Wolfbrother   RE: Mgf Mathletics   Feb 27 2008, 05:15 PM
Wolfbrother   RE: Mgf Mathletics   Feb 29 2008, 08:17 AM
Nostradamus   RE: Mgf Mathletics   Feb 29 2008, 03:32 PM
Nostradamus   RE: Mgf Mathletics   Mar 2 2008, 04:23 PM
Wolfbrother   RE: Mgf Mathletics   Mar 2 2008, 04:23 PM
Nostradamus   RE: Mgf Mathletics   Mar 2 2008, 04:25 PM
Wolfbrother   RE: Mgf Mathletics   Mar 2 2008, 04:27 PM
Nostradamus   RE: Mgf Mathletics   Mar 2 2008, 04:29 PM
username   RE: Mgf Mathletics   Mar 2 2008, 04:32 PM
Nostradamus   RE: Mgf Mathletics   Mar 2 2008, 04:33 PM
Wolfbrother   RE: Mgf Mathletics   Mar 2 2008, 04:40 PM
Nostradamus   RE: Mgf Mathletics   Mar 2 2008, 04:48 PM
username   RE: Mgf Mathletics   Mar 2 2008, 04:55 PM
Nostradamus   RE: Mgf Mathletics   Mar 3 2008, 02:42 PM
username   RE: Mgf Mathletics   Mar 3 2008, 05:20 PM
Nostradamus   RE: Mgf Mathletics   Mar 5 2008, 06:04 PM
Wolfbrother   RE: Mgf Mathletics   Mar 5 2008, 07:32 PM
Nostradamus   RE: Mgf Mathletics   Mar 7 2008, 02:02 AM
Wolfbrother   RE: Mgf Mathletics   Mar 7 2008, 01:04 PM
Wolfbrother   RE: Mgf Mathletics   Mar 7 2008, 01:10 PM
Nostradamus   RE: Mgf Mathletics   Mar 7 2008, 08:51 PM
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