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Ramona19852007
a fost răspuns

5y +36×4 +36×3+36×2=504.                 detaliat,va rog!

Răspuns :

5y+144+108+72=504
5y=504-144-108-72
5y=180
y=180:5
y=36
5y+144+108+72=504
5y=504-144-108-72
5y=180
y=180:5
y=36

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