Răspunsuri

2014-02-12T21:03:46+02:00
49/12+7/3-31/6=49/12+28/12-62/12=8/12
7/8-5/9-1/18=63/72-40/72-4/72=19/72
37/12-7/6-23/18=111/36-42/36-46/36=23/36