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