Learn a Fact: 1 x 9

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

Fact Navigator

You're learning

1

x9


9

9

x1


9

Move on to other facts:
1
X 8
8
2
X 0
0