Question

Rezolvati in multimea nemerelor naturale inecuatiile x-1.37<5.3 x+2.47 mai mic sau egal cu 5.3 x-2.37 mai mic sau egal cu 2.3 la puterea a 2

Answer 1

x-1.37<5.3 => x<5.3+1.37 => x<6.67 => x apartine {0,1,2,3,4,5,6}
x+2.47< sau egal 5.3 => x< sau egal 5.3-2.47 => x< sau egal 2.83 => x apartine {0,1,2}
x-2.37< sau egal 2.3 la a 2a => x-2.37< sau egal 5.29 => x< sau egal 5.29+2.37 => x< sau egal 7.66 => x apartine {0,1,2,3,4,5,6,7}

Sper ca te-am ajutat! :)