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