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Ahojte, prosím vás vedeli by ste mi pomôcť? ide o nazvoslovie uhľovodíkov. Ďakujem pekne.
(ten ako 1. uvedený má tri uhlíky=(propán) a jednu dvojitu väzbu, takže prípona by mala byť -én.. ale neviem ako to všetko pospájať do názvu)
doučma.sk
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