Question

me digaoa conta inteira!
de:
$\frac{2}{8}$ + 1,7 - $\frac{10}{4}$

Answer 1

$\;\;\;\ \frac{2}{8} + 1,7-\frac{10}{4} \\ \\ = \frac{2}{8} +\frac{17}{10}-\frac{10}{4} \\ \\ = \frac{10}{40} +\frac{68}{40}-\frac{100}{40} \\ \\ = \frac{10+68-100}{40}\\ \\ = \frac{-22}{40}\\ \\ =- \frac{22^{:2}}{40_{:2}}\\ \\ = -\frac{11}{20}$