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