Question

Rezolvati in N inecuatiile:a) x+1<_3;  b)x-1<_4; x-3<_0

Answer 1

a) x+1 apartine { 0,1,2,3 } | -1
x apartine { 0,1,2  } 
b) x-1 apartine { 0,1,2,3,4 } | +1
x apartine { 1,2,3,4,5 } 
c) x-3 apartine { 0 } | +3
x apartine { 3}