Răspuns :
X+1>3
X>3-1
X>2
X €{3,......}
2X+1 <=10
2X<=10-1
2X <=9
X <=9:2
X<=4,5
X €{0,1 ;2,.....4,5}
X>3-1
X>2
X €{3,......}
2X+1 <=10
2X<=10-1
2X <=9
X <=9:2
X<=4,5
X €{0,1 ;2,.....4,5}