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R scrie toate numerele naturale de 2 cifre care contin cifra 8,iar G a scris toate nr naturale de 2 cifre care nu contin cifra 8;
cine a scris mai multe numere si cu cat?


Răspuns :

R)18,28,38,48,58,68,78,88,98
G)10,11,12,13,14,15,16,17,19,20,21,22,23,24,25,26,27,29,30,31,32,33,34,35,36,37,39,40,41,42,43,44,45,46,47,49,50,51,52,53,54,55,56,57,59,60,61,62,63,64,65,66,67,69,70,71,72,73,74,75,76,77,79----90,91,92,93,94,95,96,97,99