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