Question

Determinati numarul natural necunoscut x, din fiecare inegalitate de mai jos
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Answer 1

a) x </ 43-19

x </ 24

x apartine [0,24 ]

b) x >/ 28-11

x >/ 17

x apartine [ 17, +infinit)

c) x+20 < 83

x < 83-20

x < 63

x apartine (-1,63)

d) 2+x < 6

x < 6-2

x < 4

x apartine (-1, 4)