1.
× 4 = 16
3
4
7
9
|
2.
× 4 = 20
5
6
7
9
|
3.
× 4 = 32
7
2
9
8
|
4.
× 4 = 36
7
10
8
9
|
5.
× 4 = 36
10
3
1
9
|
6.
× 4 = 20
5
8
2
9
|
7.
× 4 = 28
5
1
2
7
|
8.
× 4 = 40
9
2
10
8
|
9.
× 4 = 40
4
10
8
2
|
10.
× 4 = 12
1
10
3
7
|
11.
× 4 = 32
8
5
9
1
|
12.
× 4 = 32
10
8
1
5
|
13.
× 4 = 28
4
10
7
9
|
14.
× 4 = 28
5
8
1
7
|
15.
× 4 = 4
8
5
1
10
|
16.
× 4 = 36
2
3
9
7
|
17.
× 4 = 12
5
3
2
6
|
18.
× 4 = 28
8
2
5
7
|
19.
× 4 = 20
3
6
5
1
|
20.
× 4 = 8
8
9
4
2
|
1.
× 4 = 16
3
4
7
9
|
2.
× 4 = 20
5
6
7
9
|
3.
× 4 = 32
7
2
9
8
|
4.
× 4 = 36
7
10
8
9
|
5.
× 4 = 36
10
3
1
9
|
6.
× 4 = 20
5
8
2
9
|
7.
× 4 = 28
5
1
2
7
|
8.
× 4 = 40
9
2
10
8
|
9.
× 4 = 40
4
10
8
2
|
10.
× 4 = 12
1
10
3
7
|
11.
× 4 = 32
8
5
9
1
|
12.
× 4 = 32
10
8
1
5
|
13.
× 4 = 28
4
10
7
9
|
14.
× 4 = 28
5
8
1
7
|
15.
× 4 = 4
8
5
1
10
|
16.
× 4 = 36
2
3
9
7
|
17.
× 4 = 12
5
3
2
6
|
18.
× 4 = 28
8
2
5
7
|
19.
× 4 = 20
3
6
5
1
|
20.
× 4 = 8
8
9
4
2
|