Question

Cat inseamna -3,4(1)/-27,9..?

Answer 1

$\frac{-3,4(1)}{-27,9}=3 \frac{41-4}{90}: \frac{279}{10}=3 \frac{37}{90}* \frac{10}{279}= \frac{307*10}{90*279}= \frac{307}{9*279}= \frac{307}{2511}$

Answer 2

impartirea la fractii se face prima fractie inmultita cu inversul celei de a doua

se simplifica 90 cu 110 prin 10