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