Răspuns :

Slavitescudoraid

x + 5 </17

x </ 17-5

x </ 12

A={0,1,2,3,....12}

5 | (x+3), x={2,7,12}

B ={2,7,12}

A UB ={0,1,2,3....12}

A / B = 0,1,3,4,5,6,8,9,10,11}

Lauraid

Răspuns:

Explicație pas cu pas:

Vezi imaginea Laura

ID Alte intrebari