|
1.
8
• 9 =
54
36
45
72
|
2.
4
• 7 =
35
28
7
21
|
3.
7
• 8 =
72
56
16
24
|
4.
6
• 6 =
36
12
30
60
|
|
5.
9
• 5 =
45
5
35
20
|
6.
7
• 9 =
63
18
27
81
|
7.
6
• 3 =
18
21
27
24
|
8.
10
• 5 =
15
45
5
50
|
|
9.
2
• 10 =
20
50
80
90
|
10.
4
• 6 =
42
54
24
18
|
11.
6
• 2 =
20
4
10
12
|
12.
10
• 3 =
27
30
9
15
|
|
13.
9
• 3 =
15
30
27
6
|
14.
7
• 2 =
18
8
10
14
|
15.
10
• 5 =
40
50
20
35
|
16.
10
• 1 =
5
7
2
10
|
|
17.
4
• 5 =
35
25
20
10
|
18.
4
• 1 =
9
4
6
7
|
19.
10
• 8 =
16
72
80
40
|
20.
8
• 4 =
40
8
12
32
|
|
1.
8
• 9 =
54
36
45
72
|
2.
4
• 7 =
35
28
7
21
|
3.
7
• 8 =
72
56
16
24
|
4.
6
• 6 =
36
12
30
60
|
|
5.
9
• 5 =
45
5
35
20
|
6.
7
• 9 =
63
18
27
81
|
7.
6
• 3 =
18
21
27
24
|
8.
10
• 5 =
15
45
5
50
|
|
9.
2
• 10 =
20
50
80
90
|
10.
4
• 6 =
42
54
24
18
|
11.
6
• 2 =
20
4
10
12
|
12.
10
• 3 =
27
30
9
15
|
|
13.
9
• 3 =
15
30
27
6
|
14.
7
• 2 =
18
8
10
14
|
15.
10
• 5 =
40
50
20
35
|
16.
10
• 1 =
5
7
2
10
|
|
17.
4
• 5 =
35
25
20
10
|
18.
4
• 1 =
9
4
6
7
|
19.
10
• 8 =
16
72
80
40
|
20.
8
• 4 =
40
8
12
32
|