Question

qual a média aritmética de: 2/3,- 1/2, 1/8?

Answer 1

Soma dos termos dividido pelo total de termos
Fica assim:

$\frac{ \frac{2}{3}+(- \frac{1}{2})+ \frac{1}{8} }{3}= \frac{ \frac{16-12+3}{24} }{3} = \frac{ \frac{7}{24} }{3}= \frac{7}{24}* \frac{1}{3}= \frac{7}{72} =0,097222...$