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Calculati media aritmetica a numerelor:

a)2x; 5x; 11x;
b)21x; 37x; 32x.


Răspuns :

a)Ma=2x+5x+11x/3=18x/3=6x
b)Ma=21x+37x+32x/3=90x/3=30x.Sper ca te-am ajuat
a) [tex] \frac{2x+5x+11x}{3} = \frac{18x}{3} = 6x [/tex]
b) [tex] \frac{21x+37x+32x}{3} = \frac{90x}{3} =30x [/tex]