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9. príklad 2. letnej série 2008/2009

Zadanie:
Uvažujme tetivový štvoruholník $ABCD$. Na jeho diagonále $AC$ zvolíme bod $E$ tak, že $DE$ je kolmá na stranu $AB$, na diagonále $BD$ zvolíme bod $F$ tak, že $AF$ je kolmá na $CD$. Dokážte, že $EF$ je rovnobežná s $BC$.


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kUBv3zN5 <contact~locareve~com> - 07. 11. 2013 - 23:57:59 z 188.143.232.12
Just got a message that my secnod order of the Galactic Edition through bol.com has been shipped (I had another one on order as a gift to someone ). So in the end something came out from bol.com

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ypBCrSKhD8UA <eric~pwlcpa~com> - 07. 11. 2013 - 23:36:26 z 10.111.150.200.static.copel.net
Same here Bianca. I don't think they can help it though. When I was at Bart Smit just now, they had a bunch of nomral editions on the shelves, and the GE had only arrived half an hour before. Mind you: only ONE copy. I am so glad I was able to snatch that one

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WKeoV130X <yogage~pwlcpa~com> - 06. 11. 2013 - 05:16:14 z 188.143.232.12
[na 50% SPAM!]
Moshe SharonIn view of the existence of the unemiitld and unknowable, what we humans know is the total of what the Almighty has chosen to reveal. However, secular scientists believe that the sum of human knowledge is what people discover from their own efforts. During my two-day refresher course in Advanced Life Support, I came across an interesting buzz word that I had not seen before: “Fuzzy Logic”. In one part of the text the authors stated that there are no absolutes in this world; “black and white” is merely theoretical while the true reality consists of “multiple shades of gray”. However, the fact remains that everything has it's opposite with a line of demarcation between each thing and its counterpart, which depend on each other for existence but must remain apart to avoid nullification. Like matter and anti-matter. Thus everything is either black or white and the grey area is a function of not knowing where to draw the line.

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0eX78hWZOS <dtun~satmex~com> - 05. 11. 2013 - 09:48:29 z hosted-by.leaseweb.com
[na 50% SPAM!]
L'Occitane totiž ved, jak ne1s všechny nale1kat na pěkňučke9 piksličky a voňavfd obsah majů to prome1kle9 :-) Akore1t mi občas chybed ta jeicjh olivove1 řada. Byla super :-)Bebe

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HAgO - 18. 04. 2009 - 12:55:59 z chello085216147110.chello.sk
Kubo napísal:


A co tvoj zadok? aj ten tu mame vsade?


zadok smeruje kolmo na zem takze ho maju iba martania...

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Kubo - 17. 04. 2009 - 07:16:50 z 193.87.160.132
HAgO napísal:
rasto napísal:
Diagonala stvorholnika je len usecka, nie priamka. Opravte ma ak sa mylim.


ja teda neviem...podla mna je kazda ciara priamkou...aj moja vraska v strede cela...


A co tvoj zadok? aj ten tu mame vsade?

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peťo <peto~kms~sk> - 16. 04. 2009 - 22:42:34 z 158.195.165.27
HAgO napísal:

ja teda neviem...podla mna je kazda ciara priamkou...aj moja vraska v strede cela...


ahaaa, cize potom aj usecka je priamka :).

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HAgO - 16. 04. 2009 - 13:36:06 z router.gjh.sk
rasto napísal:
Diagonala stvorholnika je len usecka, nie priamka. Opravte ma ak sa mylim.


ja teda neviem...podla mna je kazda ciara priamkou...aj moja vraska v strede cela...

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rasto - 16. 04. 2009 - 11:16:48 z adsl-dyn82.78-99-180.t-com.sk
rasto napísal:
Diagonala stvorholnika je len usecka, nie priamka. Opravte ma ak sa mylim.


som tym chcel povedat, ze zase az tak vela pripadov nebolo treba rozoberat potom :)

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rasto - 16. 04. 2009 - 11:16:08 z adsl-dyn82.78-99-180.t-com.sk
Diagonala stvorholnika je len usecka, nie priamka. Opravte ma ak sa mylim.

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kamilama - 11. 04. 2009 - 22:02:12 z 158.196.244.87.in-addr.arpa
HAgO napísal:
ja netvrdim ze bol tazky...ale raz bol bod vnutri stvoruholnika raz bol mimo...kto ma rozoberat tolko specialnych pripadov?

presne

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Kubo - 09. 04. 2009 - 22:36:49 z adsl-dyn131.78-98-188.t-com.sk
HAgO napísal:
ja netvrdim ze bol tazky...ale raz bol bod vnutri stvoruholnika raz bol mimo...kto ma rozoberat tolko specialnych pripadov?

no ja nie... :)

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HAgO - 09. 04. 2009 - 21:59:20 z chello085216147110.chello.sk
ja netvrdim ze bol tazky...ale raz bol bod vnutri stvoruholnika raz bol mimo...kto ma rozoberat tolko specialnych pripadov?

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kamilama - 09. 04. 2009 - 21:08:56 z 158.196.244.87.in-addr.arpa
praveze mne sa zda az prilis sproste ze stale davaju tetivove stvoruholniky... bol to lahky priklad ale nepacil sa mi

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