1.
× 2 = 2
2
1
7
4
|
2.
× 2 = 2
1
2
8
7
|
3.
× 2 = 12
10
1
9
6
|
4.
× 2 = 8
5
10
4
1
|
5.
× 2 = 12
5
6
10
9
|
6.
× 2 = 14
1
6
5
7
|
7.
× 2 = 12
1
6
10
4
|
8.
× 2 = 12
4
6
5
2
|
9.
× 2 = 2
5
1
10
4
|
10.
× 2 = 8
1
4
8
2
|
11.
× 2 = 14
7
10
6
4
|
12.
× 2 = 8
4
1
10
3
|
13.
× 2 = 18
6
2
4
9
|
14.
× 2 = 4
4
2
6
3
|
15.
× 2 = 20
2
9
10
4
|
16.
× 2 = 8
7
1
2
4
|
17.
× 2 = 20
6
8
10
4
|
18.
× 2 = 12
10
7
6
4
|
19.
× 2 = 2
9
6
7
1
|
20.
× 2 = 14
8
7
3
6
|
1.
× 2 = 2
2
1
7
4
|
2.
× 2 = 2
1
2
8
7
|
3.
× 2 = 12
10
1
9
6
|
4.
× 2 = 8
5
10
4
1
|
5.
× 2 = 12
5
6
10
9
|
6.
× 2 = 14
1
6
5
7
|
7.
× 2 = 12
1
6
10
4
|
8.
× 2 = 12
4
6
5
2
|
9.
× 2 = 2
5
1
10
4
|
10.
× 2 = 8
1
4
8
2
|
11.
× 2 = 14
7
10
6
4
|
12.
× 2 = 8
4
1
10
3
|
13.
× 2 = 18
6
2
4
9
|
14.
× 2 = 4
4
2
6
3
|
15.
× 2 = 20
2
9
10
4
|
16.
× 2 = 8
7
1
2
4
|
17.
× 2 = 20
6
8
10
4
|
18.
× 2 = 12
10
7
6
4
|
19.
× 2 = 2
9
6
7
1
|
20.
× 2 = 14
8
7
3
6
|