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> Nizovi Brojeva..., ..ipak je forum Matematicke gimnazije...

username
post Mar 20 2008, 02:45 PM
Post #121





Group: Članovi
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moze da se resi
za svaki clan niza Ai (i=1,2,3,...) vazi da se dobija preko nekih operacija koje ukljucuju redni broj clana i
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Iva
post Mar 21 2008, 11:00 AM
Post #122





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QUOTE(username @ Dec 14 2007, 07:32 PM)
6, -714, 362166, -478639434...

3! = 6
6! = 714 + 6
9! = 362166 + 714
12! = 478639434 + 362166
15! = 1307195728566 + 478639434

... i onda svakom drugom promenimo predznak.
6, -714, 362166, -478639434... 1307195728566




Je l' valja ovako?


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When life throws you lemons... genetically re-engineer the lemon tree to eliminate taste compatibility issues, using the profits to increase personal gain and eventually dominate the citrus market.
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username
post Mar 21 2008, 02:32 PM
Post #123





Group: Članovi
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mislim da je to to
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username
post Apr 10 2008, 08:37 PM
Post #124





Group: Članovi
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evo jos jednog niza, ko resi svaka cast

3 5 9 13 21 25 37 45 57

This post has been edited by username: Apr 10 2008, 08:37 PM
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Iva
post Apr 10 2008, 08:57 PM
Post #125





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E, ako radi ovoga dobijem 1 na Ani Kurv.. Karenjini.. naj.eba si tongue.gif


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When life throws you lemons... genetically re-engineer the lemon tree to eliminate taste compatibility issues, using the profits to increase personal gain and eventually dominate the citrus market.
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username
post Apr 10 2008, 08:59 PM
Post #126





Group: Članovi
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Member No.: 684
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biggrin.gif
btw ideju sam opet dobio sa zadatka za programiranje, ali ne morate da znate programiranje da resite
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Iva
post Apr 11 2008, 12:46 PM
Post #127





Group: Članovi
Joined: 30-June 06
Member No.: 71
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Ja sam ga rešila, tj. kvazi-rešila.

Ako primenimo određeno pravilo na svaki broj, dobićemo niz prostih brojeva. Međutim, postoji jedno odstupanje, a to je da je u datom nizu preskočen jedan broj. Pretpostaviću da je to tvoja slučajna greška, pa ću tako rešiti niz. (znači, ako nije, reci mi i potražiću novo XD.gif).

Uglavnom, pravilo je, dodati 1 i zatim prepoloviti; odnosno
(x+1)/2

Ergo,

3 5 9 13 21 25 37 45 57
4 6 10 14 22 24 38 46 58
2 3 5 7 11 13 19 23 29
(znači, između 13 i 19 fali 17)

..nastavimo li ovaj poslednji niz (prostih brojeva), dobićemo 31, 37, 41, i primenimo li obrnutu verziju formule na njih, dobićemo da bi konačan nastavak niza trebao biti: 61, 73, 81..

Odnosno, konačna verzija niza bi bila:

3 5 9 13 21 25 37 45 57 61 73 81



Ili, ako ćemo ispraviti onu "slučajnu grešku":
3 5 9 13 21 25 33 37 45 57 61 73 81

This post has been edited by Iva: Apr 11 2008, 07:00 PM


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username
post Apr 11 2008, 06:58 PM
Post #128





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ne, svaki clan je veci od prethodnog
i mozda se moze doci do resenja sa vise raznih objashnjenja ali ima neke veze sa (ne)deljivoscu

This post has been edited by username: Apr 11 2008, 06:59 PM
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Iva
post Apr 11 2008, 07:00 PM
Post #129





Group: Članovi
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Status: Van MGa



Jeate, a ovo se (skoro) uklopilo sad.gif

Al sam e, zahebala nešto dok sam pisala ove "konačne" verzije. Prepravih sad, no ako nije ta logika.. potražiti ću drugu.


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username
post Apr 11 2008, 08:02 PM
Post #130





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ima li jos neko neki niz da i ja resavam?
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Kipar
post Mar 20 2009, 11:56 PM
Post #131





Group: Članovi
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Škola/Razred: Matematicka IVc bio , sada vec kolega sa FON-a



0 , 0 , 0 , 0, 24

ae prosto je , FONovci doduse nisu znali


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^_NiN0_^
post Mar 21 2009, 12:23 AM
Post #132


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0 biggrin.gif


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Yo!hambin,
Yo!hambina, Yo!hambin
Yo-yo, yo-yo, yo
Yo!hambin,
Yo!hambina, Yo!hambiiina
(Mala matura deca kokaina®
Velika matura deca Yo!hambina)
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Kipar
post Mar 21 2009, 11:13 AM
Post #133





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Škola/Razred: Matematicka IVc bio , sada vec kolega sa FON-a



ne , nisam nalupao brojeve ovog puta , ima bas trivijalno resenje.. Ovo je pravi niz...


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SBS
post Mar 21 2009, 02:56 PM
Post #134



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24 ?


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зашто цитирати песму, кад једноставно можеш рећи своје мишљење: " Не волим кнедле са шљивама"!!!


Now i wanna sniff some glue!
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Kipar
post Mar 21 2009, 06:23 PM
Post #135





Group: Članovi
Joined: 28-October 06
Member No.: 170
Status: Učenik MGa
Škola/Razred: Matematicka IVc bio , sada vec kolega sa FON-a



ne


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Kipar
post Mar 21 2009, 06:24 PM
Post #136





Group: Članovi
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Status: Učenik MGa
Škola/Razred: Matematicka IVc bio , sada vec kolega sa FON-a



hint: pokusaj f-lu da napravis


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SBS
post Mar 21 2009, 07:17 PM
Post #137



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šta je f-ul XD.gif, u kartama ?


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зашто цитирати песму, кад једноставно можеш рећи своје мишљење: " Не волим кнедле са шљивама"!!!


Now i wanna sniff some glue!
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Kipar
post Mar 21 2009, 07:55 PM
Post #138





Group: Članovi
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Member No.: 170
Status: Učenik MGa
Škola/Razred: Matematicka IVc bio , sada vec kolega sa FON-a



formulu..


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DSoboci
post Mar 21 2009, 08:21 PM
Post #139





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120?
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Kipar
post Mar 21 2009, 08:45 PM
Post #140





Group: Članovi
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Škola/Razred: Matematicka IVc bio , sada vec kolega sa FON-a



bravo , objasni im biggrin.gif


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