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Gasiti fractia cu a) 3 supra 4 mai mare decat 5 supra 3 b) 11 supra t
5 mai mare decat 31 supra 10


Răspuns :

a) 3/4 + 5/3 = (9+20)/12 = 29/12 
b) 11/5 + 31/10 = (22+31)/10 = 53/10 
3/4+5/3=9/12+20/12=29/12
11/5+31/10=22/10+31/10=53/10