Question

aflati multimea C= {x€N*| (x-1) divizibil cu 4 si x​ <27}

Answer 1

Răspuns:

x-1 = 4, x = 5

x-1 = 8, x = 9

x-1 = 12, x = 13

x-1 = 16, x = 17

x - 1 = 20, x = 21

x - 1 = 24, x = 25

C = { 5,8,13,17,21,25}