Question

Respuesta de 3,8-0,25+1/2

Answer 1

$3.8 - 0.25 + 0.5 = 4.05$

$3.8 = \frac{19}{5} \\ \\ - 0.25 = - \frac{1}{4} \\ \\ 0.5 = \frac{1}{2} \\ \\ 4.05 = \frac{81}{20} \\ \\ \\ \frac{19}{5} - \frac{1}{4} + \frac{1}{2} = \frac{76 - 5 + 10}{20} = \frac{81}{20}$

espero haberte ayudado