|
1.
× 4 = 16
4
7
9
2
|
2.
× 4 = 24
2
4
6
7
|
3.
× 4 = 20
5
8
2
7
|
4.
× 4 = 40
10
2
9
6
|
|
5.
× 4 = 36
9
6
4
1
|
6.
× 4 = 8
7
1
9
2
|
7.
× 4 = 40
10
7
6
4
|
8.
× 4 = 8
4
9
5
2
|
|
9.
× 4 = 16
4
1
8
6
|
10.
× 4 = 12
4
3
6
7
|
11.
× 4 = 40
6
10
5
3
|
12.
× 4 = 36
6
9
5
2
|
|
13.
× 4 = 20
7
5
8
4
|
14.
× 4 = 4
1
9
3
4
|
15.
× 4 = 8
2
10
5
3
|
16.
× 4 = 8
2
1
9
10
|
|
17.
× 4 = 28
1
7
9
3
|
18.
× 4 = 20
4
3
6
5
|
19.
× 4 = 8
9
10
8
2
|
20.
× 4 = 28
7
5
8
6
|
|
1.
× 4 = 16
4
7
9
2
|
2.
× 4 = 24
2
4
6
7
|
3.
× 4 = 20
5
8
2
7
|
4.
× 4 = 40
10
2
9
6
|
|
5.
× 4 = 36
9
6
4
1
|
6.
× 4 = 8
7
1
9
2
|
7.
× 4 = 40
10
7
6
4
|
8.
× 4 = 8
4
9
5
2
|
|
9.
× 4 = 16
4
1
8
6
|
10.
× 4 = 12
4
3
6
7
|
11.
× 4 = 40
6
10
5
3
|
12.
× 4 = 36
6
9
5
2
|
|
13.
× 4 = 20
7
5
8
4
|
14.
× 4 = 4
1
9
3
4
|
15.
× 4 = 8
2
10
5
3
|
16.
× 4 = 8
2
1
9
10
|
|
17.
× 4 = 28
1
7
9
3
|
18.
× 4 = 20
4
3
6
5
|
19.
× 4 = 8
9
10
8
2
|
20.
× 4 = 28
7
5
8
6
|