Răspunsuri

2014-10-06T18:38:04+03:00
Cel mai inteligent răspuns!
2014-10-06T18:41:24+03:00
Amplifici 5/3 cu 4,iar pe 1/4 cu 3.La sfarsit aduni numaratorii.
  \frac{5}{3} + \frac{1}{4} - \frac{13}{12} = \frac{20}{12} + \frac{3}{12} - \frac{13}{12} = \frac{10}{12} = \frac{5}{4}
2 5 2