Respostas

2014-07-07T16:21:23-03:00
2014-07-07T18:54:42-03:00
(-1/3)² . 81/1/3 - (-1/3)³=
(1/9) . 81/1/3 - (-1/27)=
(1/9) . 27 + 1/27=
3 + 1/27=
M.M.C ->  81/27 + 1/27= 82/27