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Cine stie ex asta ?
11/7 +2 1/5 +3/7 +3 4/5 Va rog dau coroana!!!


Răspuns :

11/7 +2 1/5 +3/7 +3 4/5  = 

2 intregi 1/5 = 2*5+1/5 = 10+1/5 = 11/5
3 intregi 4/5= 3*5+4/4 = 15+4/5 = 19/5
 
11/7+11/5+3/7+19/5 = 55+77+15+133/35 = 280/35 = 8