1.
9 – 4 =
2
1
5
3
|
2.
10 – 7 =
1
4
2
3
|
3.
8 – 1 =
3
2
7
1
|
4.
4 – 2 =
2
3
1
4
|
5.
7 – 7 =
4
0
3
2
|
6.
3 – 1 =
4
3
1
2
|
7.
1 – 0 =
3
1
4
2
|
8.
9 – 4 =
3
5
1
2
|
9.
11 + 1 =
12
2
3
1
|
10.
3 + 2 =
3
1
2
5
|
11.
6 – 3 =
3
2
1
4
|
12.
8 + 0 =
3
8
1
2
|
13.
7 – 1 =
2
6
1
3
|
14.
4 – 3 =
3
1
4
2
|
15.
6 – 1 =
1
2
5
3
|
16.
6 – 0 =
2
3
6
1
|
17.
6 + 3 =
1
3
2
9
|
18.
5 – 0 =
5
3
1
2
|
19.
11 + 0 =
1
11
3
2
|
20.
7 + 4 =
11
3
2
1
|
1.
9 – 4 =
2
1
5
3
|
2.
10 – 7 =
1
4
2
3
|
3.
8 – 1 =
3
2
7
1
|
4.
4 – 2 =
2
3
1
4
|
5.
7 – 7 =
4
0
3
2
|
6.
3 – 1 =
4
3
1
2
|
7.
1 – 0 =
3
1
4
2
|
8.
9 – 4 =
3
5
1
2
|
9.
11 + 1 =
12
2
3
1
|
10.
3 + 2 =
3
1
2
5
|
11.
6 – 3 =
3
2
1
4
|
12.
8 + 0 =
3
8
1
2
|
13.
7 – 1 =
2
6
1
3
|
14.
4 – 3 =
3
1
4
2
|
15.
6 – 1 =
1
2
5
3
|
16.
6 – 0 =
2
3
6
1
|
17.
6 + 3 =
1
3
2
9
|
18.
5 – 0 =
5
3
1
2
|
19.
11 + 0 =
1
11
3
2
|
20.
7 + 4 =
11
3
2
1
|