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