Răspuns :

Samydanielakdid

Răspuns:

3. a) {1,2,3,4,5,7} 4. a) {1,4}

b) {1,3} b) {0,3}

c) {1,3} c) {2,5,6}

d) {1,3,5,7} d) {2,4}

e) {1,2,3,4} e) {1,5}

f) {4}

g) {1,2,4,5,6,7}

h) {2,4}

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