ipucu: $B$ kumesini sayi dogrusunda ciz, sonra da $A$ kumesini de cizip cikart.
B={-1,0,1,2,3,4,5,6,7,8,9...}
A={-4,-3,-2,-1,0,1,2,3,4,5}
B-A={6,7,8,9....}