In vacanta de vara ,Ioana a adunat de la malul marii cochilii de scoici si de melci .Melcii sunt de 4 ori mai putini decat scoicile ,iar in total sunt 35 de cochilii.Cate sunt de fiecare fel ?

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31 Agustus 2025 matematica 5 minute
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Clasă: Education Materie: matematica
In vacanta de vara ,Ioana a adunat de la malul marii cochilii de scoici si de melci .Melcii sunt de 4 ori mai putini decat scoicile ,iar in total sunt 35 de cochilii.Cate sunt de fiecare fel ?
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Cel mai bun răspuns
(113)
notam cu x melcii
scoici=4·x
x+4·x=35
5·x=35
x=35:5
x=7  (melci)
scoici =4·x=4·7=28
Răspunsul a fost dat în data 31 Agustus 2025

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