Rezolva!!!Plssss........
Dau Coroana!!!.........​


RezolvaPlssssDau Coroana class=

Răspuns :

3)

A={x € N | 2 < x < 8}

2 •x <8

x={3,4,5,6,7}

A={x € N | 2 < 5 < 8}

B= scuze dar nu știu

C={x € N | 7x + 2 < 16}

7x+ 2 < 16/-2

7x < 16/:7

x< h