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