✨ ベストアンサー ✨
5.n(E) = 3
6.n(F) = 4
F = {1,2,3,4}
7.n(G) = 0
G = ∅
8.n(H) = 4
H = {0,1,2,3}
9.n(I) = 1
I = {2}
10.n(J) = 0
J = ∅
✨ ベストアンサー ✨
5.n(E) = 3
6.n(F) = 4
F = {1,2,3,4}
7.n(G) = 0
G = ∅
8.n(H) = 4
H = {0,1,2,3}
9.n(I) = 1
I = {2}
10.n(J) = 0
J = ∅
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