Răspuns
10,11,12,13,14,15,16,17,18,19,20,21,,22,23,24,25,26,27,28,30 31,32,33,34,35,36 37,40, 41,42,43,44,45,46,50,51,52,53,54,55,60,61,62,63,64,70,71,7273,80, 81,82 ,90,91 ; t 54 numere ;de la 10 la 99 avem99-9=90 numere ;pr=54\90=3\5 ;
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