Răspunsuri

2014-09-09T16:54:32+03:00
Aducem la acelasi numitor in paranteza; numitorul va fi 30
 (\frac{-12}{30} + \frac{15}{30}-   \frac{10}{30}  )* \frac{15}{7} )^3+ \frac{1}{8}
( \frac{-7}{30} * \frac{15}{7} )^3+ \frac{1}{8} =( \frac{-1}{3} )^3+ \frac{1}{8} = \frac{-1}{8} + \frac{1}{8} =0