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Learn a Fact: 3 x 7

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

Fact Navigator

You're learning

3

x7


21

7

x3


21

Move on to other facts:
3
X 6
18
3
X 8
24

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