exercitiul 5.
[tex]a) \frac{23 + 35 + 42}{3} = \frac{100}{ 3 } = 33.(3)\\ b) \frac{45 + 30 + 58}{3} = \frac{133}{3} = 43.(3) \\ c) \frac{83 + 75 + 32}{3} = \frac{190}{3} = 63.(3) \\ d) \frac{54 + 40 + 61}{3} = \frac{155}{3} = 51.(6)[/tex]
exercitiul 6.
[tex]media = \frac{9 + 7 + 10}{3} = \frac{26}{ 3 } = 8.(6) = cu \: aproximatie \: 9 \: adica \: punctul \: c[/tex]