Question

Exercitiul 5 VA ROGG!!!!!!!!! ❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓

Answer 1

Explicație pas cu pas:

n=|x+y-9|+|x+y+5|

-2<=x<=5

-3<=y<=4

=> -5<=x+y<=9 => x+y-9<=0 si x+y+5>=0 =>

n=9-x-y+x+y+5=>n=14€N (adevarat)