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Calculati media aritmetica a nr : a) 2; 7 si 24.b)9; 13 si 8 c) 9; 19; 17 si3

Răspuns :

(2+7+24):3=33:3=11;(9+13+8):3=30:3=10;(17+3+9+19):4=48:4=12;

Răspuns:

Ma= 2 + 7+ 24. 33

------------- = ------- = 11

3 3

Ma=9 + 13+ 8/3 = 30/3 = 10

Ma= 9 + 19 + 17 +3/4 = 48/4 = 12

/ inseamna supra