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Mathematics, 17.01.2020 01:31 kaliyab191
A1,a2,-each of these 30 sets has 5 elements. b1,-each of these n sets has 3 elements. union of a1,=union of b1,=s.
if each elements of s is in 10 a sets and 9 bsets. then n=?
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A1,a2,-each of these 30 sets has 5 elements. b1,-each of these n sets has 3 elements. union of a1,=u...
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