Advertisement

Learn a Fact: 2 x 9

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

Fact Navigator

You're learning

2

x9


18

9

x2


18

Move on to other facts:
2
X 8
16
3
X 0
0

Advertisement