scrieți mulțimea enumerând elementele : a) {xe N \ x <= 3 } b) B= {X E N\ 2 < x<= 7} c) C={ xE N\ x+1 <= 4} d) D= {xE N \ 3 <= x-2 <= <= 8 } e) E= {xE\4 <= x+2 <= 10}

a)A={.......-4,-3,-,2,-1,0,1,2,3} b)B=1,0,1,2,3,4,5,6,7} c)x+1≤4 x≤4-1 x≤3 C={........-4,-,3,-2,-1,0,1,2,3} d)35 x-2≤8 x≤8+2 x≤10 D={6,7,8,9,10} e) 42 x+2≤10 x≤10-2 x≤8 E={3,4,5,6,7,8}