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