Spacecore kronno zomber. 아메리칸스탠다드 매장. Asko Kallonen nuorena.

2 つの 集合A,B に 対し て ,n(A)=9,n(B)=7,n(A ∩ B 4 で ある とき,n(A ∪ B 8 )となる). Ggang1011 instagram.

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