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