Advertisement

Learn a Fact: 1 x 1

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

Fact Navigator

You're learning

1

x1


1

1

x1


1

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

Advertisement