Victor avea 48 de luni cand s-a nascut fratele sau,Danut.Intr-o zi Victor ii spune lui Danut:Peste 2 ani vom avea impreuna cu 2 ani mai putin decat triplul varstei tale de acum.Cati ani are fiecare copil?

Răspunsul a fost dat de: USER4661
29 Agustus 2025 matematica 5 minute
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Clasă: Education Materie: matematica
Victor avea 48 de luni cand s-a nascut fratele sau,Danut.Intr-o zi Victor ii spune lui Danut:Peste 2 ani vom avea impreuna cu 2 ani mai putin decat triplul varstei tale de acum.Cati ani are fiecare copil?
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Răspuns (204)

Cel mai bun răspuns
(116)
a-b=48 luni
a-b=4 ani=>a=b+4
a+2+b+2=3×b-2
b+4+b+4+2=3×b=>2×b+10=3×b=>b=10 ani
a=14 ani
Răspunsul a fost dat în data 29 Agustus 2025

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