stiind 7ab-7ac=105 si a=5, calculati b-c

Răspunsul a fost dat de: USER2657
27 Agustus 2025 matematica 5 minute
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Întrebare

Clasă: Education Materie: matematica
stiind 7ab-7ac=105 si a=5, calculati b-c
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Cel mai bun răspuns
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7ab-7ac= 105 ⇒ 7a(b-c) = 105 
                             35(b-c)=105
                             b-c = 3 
Răspunsul a fost dat în data 27 Agustus 2025

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