un turist a parcurs un traseu in trei zile.in prima zii turistul a parcurs jumatate din lungimea traseului in a doua zii turistul a parcurs jum din distanta parcursa in prima zii iar in a treia zii restul din 5 km.

Calculati lungimea traseului parcurs in cele trei zile

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30 Agustus 2025 matematica 5 minute
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Clasă: Education Materie: matematica
un turist a parcurs un traseu in trei zile.in prima zii turistul a parcurs jumatate din lungimea traseului in a doua zii turistul a parcurs jum din distanta parcursa in prima zii iar in a treia zii restul din 5 km.

Calculati lungimea traseului parcurs in cele trei zile
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[tex]Notam:x=lungimea\ traseului\\ \frac{x}{2}+\frac{1}{2}\cdot \frac{x}{2}+5=x\\ \frac{x}{2}+\frac{x}{4}+5=x|\cdot 4\\ 2x+x+20=4x\\ 3x+20=4x\\ \boxed{\boxed{\boxed{x=20\ km}}}}\\ \text{R:Traseul are 20 de kilometri}[/tex]
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