Question

A={x|x aparține N, 2x<11}​

Answer 1

..............................

2x<11

x=1,2,3,4,5.

=> A={1,2,3,4,5}

Answer 2

Răspuns:

A={x|x e N si 2x<11} => A={1, 2, 3, 4, 5}