Media aritmetică a 3 numere este 7,14. Calculați suma celor 3 numere.

Răspunsul a fost dat de: USER5435
28 Agustus 2025 matematica 5 minute
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Clasă: Education Materie: matematica
Media aritmetică a 3 numere este 7,14. Calculați suma celor 3 numere.
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Formula care iti trebuie este: (a+b+c)/3. Cu alte cuvinte media aritmetica este egala cu suma numerelor supra numarul acestora. In cazul tau ai: (a+b+c)/3 =7,14 Ceea ce inseamna ca a+b+c = 7,14 x 3 => a+b+c= 21,42.
Răspunsul a fost dat în data 28 Agustus 2025

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