А A
B
1
6
2
8
3
4
10
7
5
12
9
{8, 10)
{1, 2, 3, 4, 5,
6, 7, 8, 10)
АПВ
O
A UB
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1
Answer:
А A
B
1
6
2
8
3
4
10
7
5
12
9
{8, 10)
{1, 2, 3, 4, 5,
6, 7, 8, 10)
АПВ
O
A UB
what is this
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