Question

va rog frumos ajutatima ​

Answer 1

Răspuns:

1. M={1,3,5,7}

2. a)fals

b)fals

c)fals

3. a){1,2,3,4,5,8}

b) {2}

c) {5,8}

d) {1,3,4}

4.x=5

5.A={0,1,2,3,5,11}

B={3,5,7,11,23}

A intersectat cu B={3,5}

B\A={7,11,23}

6.ab= 27,64

A={9,10}

7.A={0,1,2,3}

B={1,3,5,7}

C={1,2,4,8}

A reunit cu B={0,1,2,3,5,7}

B intersectat cu C={1}

A intersectat cu C={1,2} reunit cu B={1,2,3,5,7}