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B in (-oo:+oo)
B^(1/3) > 27 // - 27
B^(1/3)-27 > 0
1*B^(1/3) > 27
1*B^(1/3) > 27 // : 1
B^(1/3) > 27/1
B^(1/3) > 27
B >= 0
B^(1/3) > 27 // ^ 1/1/3
B^(1/3) > 27 // ^ 3
abs(B) > 19683
B > 19683
B in (19683:+oo)
B in (19683:+oo)
(19683:+oo)
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