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Cel mai inteligent răspuns!
2014-08-24T15:05:02+03:00
Cand ai de impartit 2 fractii se inmulteste prima cu a doua rasturnata.
3/8x2/9=1/12
7/15x5/14=1/6
13/3x7/26=7/6
28/3x4/21=16/9
12/1x3/218
8/1x5/36=2/9

13 4 13