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wariber [46]
3 years ago
11

Bukiet z goździków i róż, w którym goździków jest 2 razy więcej niż róż jedna róża 4zł jedna goździk 3zł.Czy bukiet mógł kosztow

ać 35zł? Pls o odp
Mathematics
1 answer:
Vadim26 [7]3 years ago
4 0

Nie, nie można mieć bukietu, który kosztuje nieparzystą liczbę złotych.

1 róża => 2 goździki => 4 + 2*3 = 10 zł

2 róży => 4 goździki => 2*4 + 4*3 = 20 zł

3 róży => 6 goździki => 3*4 + 6*3 = 30 zł

itd.

Głównym powodem jest to, że mnożenie liczby nieparzystej przez liczbę parzystą zawsze daje liczbę parzystą.

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