#1 26. 03. 2011 17:34
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matice/ anglice
Andrew and John are both Beatles fans. Their respective collections share nine of the same albums. Andrew has seventeen albums in his collection. Six albums are in John's collection, but not Andrew's. How many albums are in either Andrew's or John's collection, but not both?
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#2 26. 03. 2011 17:52
Re: matice/ anglice
Andrew and John are both Beatles fans. Their respective collections share nine of the same albums. Andrew has seventeen albums in his collection. Six albums are in John's collection, but not Andrew's. How many albums are in either Andrew's or John's collection, but not both?
Ondřej(Andrew) a Jan(John) jsou fanoušci Beatles. Z desek, které každý z nich vlastní, je jich 9 stejných. Ondřej má ve své sbírce 17 desek. V Janově sbírce je 6 albumů, které nejsou v Ondřejově sbírce. Kolik albumů je buď v Ondřejově nebo Janově sbírce, ale ne v obou zaráz?
Vykonávat věc, které se bojíme, je první krok k úspěchu.
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