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