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efectuati 5/16:(3/4+1/2)



Răspuns :

Alitta
5/16: [(3+2)/4] = 5/16 : 5/4 = 5/16 x 4/5 =1/4
5/16: [(3+2)/4] = 5/16 : 5/4 = 5/16 x 4/5 =1/4