Question

va rog repede dau coroana​

Answer 1

Răspuns:

$+\frac{11}{76}$

Explicație pas cu pas:

$(\frac{1}{5} - \frac{3}{4} )*(\frac{-10}{38} ) = (\frac{4-15}{20} )*(\frac{-10}{38} ) = \frac{-11}{20} *\frac{-10}{38} =+ \frac{11}{76}$