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