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