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x+3 < ∛5 < y+3
∛1 < ∛5 < ∛8
1 < ∛5 < 2
x+3 = 1 i y+3=2
x=-2 i y=-1
Pomiedzy -2 i -1
Odp. -3-∛(-5) ∈ (-2,-1).