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