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