Question

vă rog e urgent dau coroana.orice ex ​

Answer 1

Explicație pas cu pas:

6.

A={3,4,5}

B={3,4,5,6,}

C={1,2,3,4,5,6,7,8,9}

D= ??

7.

A=D

B=C=E

10.

A={X/Y | X,Y € N*, 2/1 <_ X/Y < 22/21}