Fórum: Érdekes matekfeladatok
Játékszabályok Technikai információ TeX tanfolyam Elfelejtettem a jelszavam Témák
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| [1748] Roberto85 | 2007-01-16 12:26:35 |
 de pl a cosinus és sinusos fealdatnál amikor 4 az alapja. na szval annak a végén a megoldásnak van bent valami k betű az ott mi lenne? mert nekem a kerület ugrik be így elsőre...
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| [1747] Roberto85 | 2007-01-15 19:29:07 |
 tenném én fel, de hát nem látom gybe a feladatokat...
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| [1746] Sirpi | 2007-01-15 18:41:15 |
 Na, végre egy konkrét kérdés :-)
A koszinusz-tétel szerint minden háromszögben a2=b2+c2-2bccos . És mivel cos 120o=-1/2, ezért jelen esetben a2=b2+c2+bc. Várjuk a további konkrét kérdéseket :-)
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| Előzmény: [1745] Roberto85, 2007-01-15 17:25:22 |
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| [1745] Roberto85 | 2007-01-15 17:25:22 |
 meg hát főleg az lenne a kérdés h amikor bizsonyítani kell a 3szögesnél hova lett a 120fok?
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| [1742] Roberto85 | 2007-01-14 19:41:10 |
 Látom én h szépen kiszámoltátok őket, nagyon köszönöm is... csak hát kicsit kuszán vannak a feladatok...
de pl ezt a szinuszosat meg a 3szögeset fullra nem értem... szval én már a kezdésnél csak lesek, azt se tudom h melyik feladat hol kezdődik :( pedig nem vagyok segg hülye matekból csak hát nekem ezek már nehéz feladatok amúgy tényleg nagyon köszi
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| [1741] Sirpi | 2007-01-14 17:56:02 |
 Szerintem játsszuk azt, hogy írd le, hogy Te melyik lépéseket nem érted, és azt majd elmagyarázzuk. De miután ilyen szépen ki lett fejtve minden feladat megoldása, tényleg nem baj, ha egy kicsit Te is dolgozol :-) Szóval várjuk a konkrét kérdéseidet.
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| Előzmény: [1740] Roberto85, 2007-01-14 17:10:34 |
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Játékszabályok Technikai információ TeX tanfolyam Elfelejtettem a jelszavam Témák