Question

-0,8(3)-(-2pe3)-(+0,25)​

Answer 1

Răspuns:

$- 0.8(3) - ( - \frac{2}{3}) - 0.25 = \\ - \frac{83 - 8}{90} + \frac{2}{3} - 0.25 = \\ - \frac{75}{90} + \frac{60}{90} - \frac{25}{100} = \\ - \frac{15}{90} - \frac{25}{100} = \\ \frac{1}{6} - \frac{1}{4} = - \frac{4 - 6}{24} = - \frac{ - 2}{24} = \frac{1}{12} = 0.08(3)$