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Learn a Fact: 3 x 1

1
4
x  2
2
8
x  2
3
2
x  3
4
5
x  2
5
2
x  1
6
2
x  6
7
7
x  2
8
6
x  2
9
2
x  5
10
2
x  2
11
2
x  8
12
2
x  2
13
2
x  4
14
9
x  2
15
2
x  9
16
2
x  7
17
3
x  2

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3

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3

1

x3


3

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3
X 0
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