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