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Learn a Fact: 1 x 7

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

Fact Navigator

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1

x7


7

7

x1


7

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1
X 6
6
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8

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