Răspunsuri

2014-10-28T18:16:08+02:00
1, 7, 13, 19, 25, 31, 37, 43, 49, 55
este din 6 in 6 si al 10-lea termen este 55
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2014-10-28T18:21:13+02:00
Pasul:19-13=6 19+6=25; 25+6=31; 31+6=37; 37+6=43; 43+6=49; 49+6=55; 55+6=61; 61+6=67; 67+6=73; 73+6=79; 
1 3 1