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stiind ca media aritmetica a trei numere este 16 si primele doua numere sunt 14 si 15 ,afla al treilea numar.

Răspuns :

[tex]ma=16 \\\\ ma=\frac{a+b+c}{3} ; \ \ a\to 14 ; \ \ b\to 15 \\\\\\ \frac{14+15+c}{3}=16 \\\\ \frac{29+c}{3}=16 \\\\ 29+c=3*16 \\\\ 29+c=48 \\\\ c=48-29 \\\\ \boxed{c=19}[/tex]