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