Rozwiązać nierówności:
|X|>2
|X-1|<3
|x| > 2
x > 2 lub x < - 2
odp. x ∈ (-oo, -2) u (2, +oo)
|x - 1| < 3
x - 1 < 3 i x - 1 > - 3
x < 4 i x > - 2
odp. x ∈ (-2, 4)
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|x| > 2
x > 2 lub x < - 2
odp. x ∈ (-oo, -2) u (2, +oo)
|x - 1| < 3
x - 1 < 3 i x - 1 > - 3
x < 4 i x > - 2
odp. x ∈ (-2, 4)