1.
1
× 4 =
4
36
40
20
|
2.
2
× 4 =
12
20
28
8
|
3.
1
× 4 =
36
40
20
4
|
4.
3
× 4 =
36
40
12
16
|
5.
4
× 4 =
28
32
36
16
|
6.
5
× 4 =
20
8
12
40
|
7.
5
× 4 =
24
20
4
8
|
8.
10
× 4 =
4
8
40
24
|
9.
2
× 4 =
8
28
36
24
|
10.
8
× 4 =
16
32
20
4
|
11.
1
× 4 =
4
32
12
28
|
12.
8
× 4 =
32
36
24
12
|
13.
8
× 4 =
32
12
8
36
|
14.
2
× 4 =
8
24
20
32
|
15.
3
× 4 =
28
12
32
4
|
16.
10
× 4 =
40
16
20
36
|
17.
6
× 4 =
8
24
12
32
|
18.
8
× 4 =
12
4
36
32
|
19.
10
× 4 =
40
4
12
32
|
20.
4
× 4 =
28
16
12
36
|
1.
1
× 4 =
4
36
40
20
|
2.
2
× 4 =
12
20
28
8
|
3.
1
× 4 =
36
40
20
4
|
4.
3
× 4 =
36
40
12
16
|
5.
4
× 4 =
28
32
36
16
|
6.
5
× 4 =
20
8
12
40
|
7.
5
× 4 =
24
20
4
8
|
8.
10
× 4 =
4
8
40
24
|
9.
2
× 4 =
8
28
36
24
|
10.
8
× 4 =
16
32
20
4
|
11.
1
× 4 =
4
32
12
28
|
12.
8
× 4 =
32
36
24
12
|
13.
8
× 4 =
32
12
8
36
|
14.
2
× 4 =
8
24
20
32
|
15.
3
× 4 =
28
12
32
4
|
16.
10
× 4 =
40
16
20
36
|
17.
6
× 4 =
8
24
12
32
|
18.
8
× 4 =
12
4
36
32
|
19.
10
× 4 =
40
4
12
32
|
20.
4
× 4 =
28
16
12
36
|