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