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