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