Zbiory ! Daje naj.
Zapisz zbiory A i B, wyspiując wszystkie ich elementy.
a) A = ( x ∈ N : x ≤ 5 ), (x ∈ N : x² ≤ 36
b) A = ( x ∈ C : -4 ≤ x ≤ -2), B = (x ∈ C : 4 ≤ x² ≤ 16)
c) A = ) x ∈ C : x² = 49), B ( x ∈ N : x² = 49 )
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A={0,1,2,3,4,5}, {0,1,2,3,4,5,6,36}
A={-4,-3,-2}, B={0,1,2,3,4,16}
A={-7}, B={7}
licze, ze mnie docenisz ;)