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