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Se considera sirul 1,2,3,11,12,13,21,22,23,31,32,33,111,112,113,221,222,........ - al catelea termen al sirului este 22222?

Răspuns :

Răspuns:

35

Explicație pas cu pas:

1,2,3,11,12,13,21,22,23,31,32,33,111,112,113,221,222,223,331,332,333,1111,1112,1113,2221,2222,2223,3331,3332,3333,11111,11112,11113,22221,22222