Răspuns :
1.18={1,2,3,6,9,18}
2. a){6}
b) mulțime vida
C){0,1,3,4,5,6}U{7,8,9,10}
={0,1,3,4,5,6,7,8,9,10}
2. a){6}
b) mulțime vida
C){0,1,3,4,5,6}U{7,8,9,10}
={0,1,3,4,5,6,7,8,9,10}
2. A) {6}
B) multimea vidă din câte vad .
C) {3,4,5,0,1,6,7,8,9,10}
B) multimea vidă din câte vad .
C) {3,4,5,0,1,6,7,8,9,10}