Advertisement

Learn a Fact: 1 x 9

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

Advertisement