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Learn a Fact: 1 x 7

1
1
x  7
2
3
x  1
3
1
x  0
4
4
x  1
5
0
x  8
6
0
x  2
7
1
x  1
8
0
x  9
9
0
x  4
10
6
x  1
11
9
x  1
12
2
x  1
13
5
x  1
14
5
x  0
15
3
x  0
16
0
x  7
17
8
x  1
18
6
x  0

Fact Navigator

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1

x7


7

7

x1


7

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1
X 6
6
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X 8
8

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