Question

dau coroana!! va rog urgent!!​

Answer 1

Răspuns:

C={3,4,5,6,7,8,9,10,11,12}

Answer 2

3x+3<12

3x<12-3

3x<9

x<3

x apartine N* (numere naturale fara 0)

rezulta C = {1,2}