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