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