Răspunsuri

2014-09-24T19:52:31+03:00
3 rad27 = rad(27 + 3 la a 2a)= rad36=6
2/6 = 1/3
2014-09-24T19:57:32+03:00
 \frac{2}{ 3\sqrt{27} }   \frac{2}{ \sqrt{27*3 ^2} } = \frac{2}{71}
in a doua fractie am simplificat radicalul cu 2 de la 3 la 2