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Daca a/3=5/8,atunci a+3/3 este egal cu....
(/-supra)


Răspuns :

a/3=5/8=>a=15/8
15/8+3/3=15/8+1=23/8
a/3 = 5/8  ⇒  a = (3*5)/8 = 15/8  

Depinde ce forma are numaratorul fractiei  din cerinta ... 
(1)... daca avem:    (a+3) / 3 = (15/8+3)/3 =(15+24) /3 = 39/3 = 13
sau
(2)... daca avem:    a   +   3/3 = 15/8 + 1 = (15+8)/8 = 2 , 875