Learn a Fact: 1 x 0

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

Fact Navigator

You're learning

1

x0


0

0

x1


0

Move on to other facts:
0
X 9
0
1
X 1
1