Learn a Fact: 2 x 7

1
2
x  3
2
7
x  1
3
5
x  2
4
3
x  1
5
2
x  4
6
7
x  0
7
0
x  5
8
2
x  2
9
5
x  1
10
9
x  1
11
1
x  1
12
6
x  1
13
0
x  9
14
1
x  2
15
0
x  6
16
6
x  2
17
1
x  4
18
1
x  8
19
0
x  8
20
7
x  2

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2

x7


14

7

x2


14

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2
X 6
12
2
X 8
16