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