Question

Se considera sirul: 11, 12, 13, 24, 25, 26, 37, 38, 39, 49, 47, 46, 55, 54, 53, 62, 61, 60, 71, 72, 84, 85, 86, 97, 98, 99.

a) scrieti toate nr din sir divizibile cu 2.
b) enumerati toti multiplii lui 5 din sir.
c) alegeti nr prime din sir.
d) alegeti multiplii lui 6 din sir.

Answer 1

a) 12, 24, 26,38, 46,54,62,60,72,84,86,98
b)25,55,60,85
c) 11,13,37,47,53,61,71,97
d)12,24,54,60,72, 84