V ( 2 kulek )= 2 * 6*6 * pi = 72 pi
V (kulki ) = 72 pi / 2 = 36 pi
V( kulki ) = 4/3 pi * r * r
36 pi = 4/3 pi * r *r
27 = r * r
r = pierwiastek z 27 = pierwiastek z 9 * pierwiastek z 3
r = 3 pierwiastki z 3
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V ( 2 kulek )= 2 * 6*6 * pi = 72 pi
V (kulki ) = 72 pi / 2 = 36 pi
V( kulki ) = 4/3 pi * r * r
36 pi = 4/3 pi * r *r
27 = r * r
r = pierwiastek z 27 = pierwiastek z 9 * pierwiastek z 3
r = 3 pierwiastki z 3